Home / 5,139,164.40-7,706,122.20-1,900,538.16

Finding the Fourth Proportional to 5,139,164.40, 7,706,122.20 and 1,900,538.16

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Solution

The fourth proportional to 5,139,164.40, 7,706,122.20 and 1,900,538.16 is: 2,849,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,164.40 : 7,706,122.20 = 1,900,538.16 : x
  2. Step 2: Convert to fraction form
    5,139,164.40/7,706,122.20 = 1,900,538.16/x
  3. Step 3: Cross multiply
    5,139,164.40x = 7,706,122.20 × 1,900,538.16
  4. Step 4: Simplify right side
    5,139,164.40x = 14,645,779,306,723.15
  5. Step 5: Solve for x
    x = 14,645,779,306,723.15/5,139,164.40
  6. Step 6: Final answer
    x = 2,849,836.70

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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.