Home / 5,189,845.08-7,161,957.70-2,866,897.40

Finding the Fourth Proportional to 5,189,845.08, 7,161,957.70 and 2,866,897.40

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Solution

The fourth proportional to 5,189,845.08, 7,161,957.70 and 2,866,897.40 is: 3,956,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,845.08 : 7,161,957.70 = 2,866,897.40 : x
  2. Step 2: Convert to fraction form
    5,189,845.08/7,161,957.70 = 2,866,897.40/x
  3. Step 3: Cross multiply
    5,189,845.08x = 7,161,957.70 × 2,866,897.40
  4. Step 4: Simplify right side
    5,189,845.08x = 20,532,597,909,039.98
  5. Step 5: Solve for x
    x = 20,532,597,909,039.98/5,189,845.08
  6. Step 6: Final answer
    x = 3,956,302.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.