Home / 6,688,254.20-10,032,381.30-1,639,564.70

Finding the Fourth Proportional to 6,688,254.20, 10,032,381.30 and 1,639,564.70

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Solution

The fourth proportional to 6,688,254.20, 10,032,381.30 and 1,639,564.70 is: 2,459,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,254.20 : 10,032,381.30 = 1,639,564.70 : x
  2. Step 2: Convert to fraction form
    6,688,254.20/10,032,381.30 = 1,639,564.70/x
  3. Step 3: Cross multiply
    6,688,254.20x = 10,032,381.30 × 1,639,564.70
  4. Step 4: Simplify right side
    6,688,254.20x = 16,448,738,236,420.11
  5. Step 5: Solve for x
    x = 16,448,738,236,420.11/6,688,254.20
  6. Step 6: Final answer
    x = 2,459,347.05

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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.