Home / 1,664,861.40-2,497,292.10-1,487,568.60

Finding the Fourth Proportional to 1,664,861.40, 2,497,292.10 and 1,487,568.60

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Solution

The fourth proportional to 1,664,861.40, 2,497,292.10 and 1,487,568.60 is: 2,231,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,861.40 : 2,497,292.10 = 1,487,568.60 : x
  2. Step 2: Convert to fraction form
    1,664,861.40/2,497,292.10 = 1,487,568.60/x
  3. Step 3: Cross multiply
    1,664,861.40x = 2,497,292.10 × 1,487,568.60
  4. Step 4: Simplify right side
    1,664,861.40x = 3,714,893,312,988.06
  5. Step 5: Solve for x
    x = 3,714,893,312,988.06/1,664,861.40
  6. Step 6: Final answer
    x = 2,231,352.90

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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.