Home / 6,472,362.40-9,689,881.20-3,952,938.40

Finding the Fourth Proportional to 6,472,362.40, 9,689,881.20 and 3,952,938.40

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Solution

The fourth proportional to 6,472,362.40, 9,689,881.20 and 3,952,938.40 is: 5,918,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,362.40 : 9,689,881.20 = 3,952,938.40 : x
  2. Step 2: Convert to fraction form
    6,472,362.40/9,689,881.20 = 3,952,938.40/x
  3. Step 3: Cross multiply
    6,472,362.40x = 9,689,881.20 × 3,952,938.40
  4. Step 4: Simplify right side
    6,472,362.40x = 38,303,503,486,918.08
  5. Step 5: Solve for x
    x = 38,303,503,486,918.08/6,472,362.40
  6. Step 6: Final answer
    x = 5,918,009.70

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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.