Home / 6,688,243.70-10,032,365.55-1,639,554.20

Finding the Fourth Proportional to 6,688,243.70, 10,032,365.55 and 1,639,554.20

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Solution

The fourth proportional to 6,688,243.70, 10,032,365.55 and 1,639,554.20 is: 2,459,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,243.70 : 10,032,365.55 = 1,639,554.20 : x
  2. Step 2: Convert to fraction form
    6,688,243.70/10,032,365.55 = 1,639,554.20/x
  3. Step 3: Cross multiply
    6,688,243.70x = 10,032,365.55 × 1,639,554.20
  4. Step 4: Simplify right side
    6,688,243.70x = 16,448,607,073,437.81
  5. Step 5: Solve for x
    x = 16,448,607,073,437.81/6,688,243.70
  6. Step 6: Final answer
    x = 2,459,331.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.