Home / 4,171,206.40-6,256,809.60-1,331,411.20

Finding the Fourth Proportional to 4,171,206.40, 6,256,809.60 and 1,331,411.20

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Solution

The fourth proportional to 4,171,206.40, 6,256,809.60 and 1,331,411.20 is: 1,997,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,206.40 : 6,256,809.60 = 1,331,411.20 : x
  2. Step 2: Convert to fraction form
    4,171,206.40/6,256,809.60 = 1,331,411.20/x
  3. Step 3: Cross multiply
    4,171,206.40x = 6,256,809.60 × 1,331,411.20
  4. Step 4: Simplify right side
    4,171,206.40x = 8,330,386,377,707.52
  5. Step 5: Solve for x
    x = 8,330,386,377,707.52/4,171,206.40
  6. Step 6: Final answer
    x = 1,997,116.80

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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.