Home / 1,937,615.10-2,903,657.85-1,428,200.70

Finding the Fourth Proportional to 1,937,615.10, 2,903,657.85 and 1,428,200.70

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Solution

The fourth proportional to 1,937,615.10, 2,903,657.85 and 1,428,200.70 is: 2,140,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,615.10 : 2,903,657.85 = 1,428,200.70 : x
  2. Step 2: Convert to fraction form
    1,937,615.10/2,903,657.85 = 1,428,200.70/x
  3. Step 3: Cross multiply
    1,937,615.10x = 2,903,657.85 × 1,428,200.70
  4. Step 4: Simplify right side
    1,937,615.10x = 4,147,006,173,930.50
  5. Step 5: Solve for x
    x = 4,147,006,173,930.50/1,937,615.10
  6. Step 6: Final answer
    x = 2,140,263.14

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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.