Home / 2,176,809.20-3,264,047.40-913,209.20

Finding the Fourth Proportional to 2,176,809.20, 3,264,047.40 and 913,209.20

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Solution

The fourth proportional to 2,176,809.20, 3,264,047.40 and 913,209.20 is: 1,369,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,809.20 : 3,264,047.40 = 913,209.20 : x
  2. Step 2: Convert to fraction form
    2,176,809.20/3,264,047.40 = 913,209.20/x
  3. Step 3: Cross multiply
    2,176,809.20x = 3,264,047.40 × 913,209.20
  4. Step 4: Simplify right side
    2,176,809.20x = 2,980,758,114,916.08
  5. Step 5: Solve for x
    x = 2,980,758,114,916.08/2,176,809.20
  6. Step 6: Final answer
    x = 1,369,324.47

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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.