Home / 5,390,437.30-8,085,655.95-3,870,909.70

Finding the Fourth Proportional to 5,390,437.30, 8,085,655.95 and 3,870,909.70

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Solution

The fourth proportional to 5,390,437.30, 8,085,655.95 and 3,870,909.70 is: 5,806,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,437.30 : 8,085,655.95 = 3,870,909.70 : x
  2. Step 2: Convert to fraction form
    5,390,437.30/8,085,655.95 = 3,870,909.70/x
  3. Step 3: Cross multiply
    5,390,437.30x = 8,085,655.95 × 3,870,909.70
  4. Step 4: Simplify right side
    5,390,437.30x = 31,298,844,047,717.72
  5. Step 5: Solve for x
    x = 31,298,844,047,717.72/5,390,437.30
  6. Step 6: Final answer
    x = 5,806,364.55

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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.