Home / 5,909,805.20-8,864,707.80-2,123,411.60

Finding the Fourth Proportional to 5,909,805.20, 8,864,707.80 and 2,123,411.60

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Solution

The fourth proportional to 5,909,805.20, 8,864,707.80 and 2,123,411.60 is: 3,185,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,805.20 : 8,864,707.80 = 2,123,411.60 : x
  2. Step 2: Convert to fraction form
    5,909,805.20/8,864,707.80 = 2,123,411.60/x
  3. Step 3: Cross multiply
    5,909,805.20x = 8,864,707.80 × 2,123,411.60
  4. Step 4: Simplify right side
    5,909,805.20x = 18,823,423,373,130.48
  5. Step 5: Solve for x
    x = 18,823,423,373,130.48/5,909,805.20
  6. Step 6: Final answer
    x = 3,185,117.40

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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.