Home / 3,127,938.60-4,698,906.30-3,000,412.20

Finding the Fourth Proportional to 3,127,938.60, 4,698,906.30 and 3,000,412.20

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Solution

The fourth proportional to 3,127,938.60, 4,698,906.30 and 3,000,412.20 is: 4,507,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,938.60 : 4,698,906.30 = 3,000,412.20 : x
  2. Step 2: Convert to fraction form
    3,127,938.60/4,698,906.30 = 3,000,412.20/x
  3. Step 3: Cross multiply
    3,127,938.60x = 4,698,906.30 × 3,000,412.20
  4. Step 4: Simplify right side
    3,127,938.60x = 14,098,655,789,176.86
  5. Step 5: Solve for x
    x = 14,098,655,789,176.86/3,127,938.60
  6. Step 6: Final answer
    x = 4,507,331.37

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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.