Home / 5,090,680.71-7,024,959.90-2,798,823.78

Finding the Fourth Proportional to 5,090,680.71, 7,024,959.90 and 2,798,823.78

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Solution

The fourth proportional to 5,090,680.71, 7,024,959.90 and 2,798,823.78 is: 3,862,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,680.71 : 7,024,959.90 = 2,798,823.78 : x
  2. Step 2: Convert to fraction form
    5,090,680.71/7,024,959.90 = 2,798,823.78/x
  3. Step 3: Cross multiply
    5,090,680.71x = 7,024,959.90 × 2,798,823.78
  4. Step 4: Simplify right side
    5,090,680.71x = 19,661,624,821,666.42
  5. Step 5: Solve for x
    x = 19,661,624,821,666.42/5,090,680.71
  6. Step 6: Final answer
    x = 3,862,278.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.