Home / 5,429,257.40-8,144,807.70-1,642,710.20

Finding the Fourth Proportional to 5,429,257.40, 8,144,807.70 and 1,642,710.20

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Solution

The fourth proportional to 5,429,257.40, 8,144,807.70 and 1,642,710.20 is: 2,464,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,257.40 : 8,144,807.70 = 1,642,710.20 : x
  2. Step 2: Convert to fraction form
    5,429,257.40/8,144,807.70 = 1,642,710.20/x
  3. Step 3: Cross multiply
    5,429,257.40x = 8,144,807.70 × 1,642,710.20
  4. Step 4: Simplify right side
    5,429,257.40x = 13,379,558,685,828.54
  5. Step 5: Solve for x
    x = 13,379,558,685,828.54/5,429,257.40
  6. Step 6: Final answer
    x = 2,464,344.15

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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.