Home / 5,280,347.04-7,285,630.02-2,988,507.72

Finding the Fourth Proportional to 5,280,347.04, 7,285,630.02 and 2,988,507.72

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Solution

The fourth proportional to 5,280,347.04, 7,285,630.02 and 2,988,507.72 is: 4,123,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,347.04 : 7,285,630.02 = 2,988,507.72 : x
  2. Step 2: Convert to fraction form
    5,280,347.04/7,285,630.02 = 2,988,507.72/x
  3. Step 3: Cross multiply
    5,280,347.04x = 7,285,630.02 × 2,988,507.72
  4. Step 4: Simplify right side
    5,280,347.04x = 21,773,161,559,833.75
  5. Step 5: Solve for x
    x = 21,773,161,559,833.75/5,280,347.04
  6. Step 6: Final answer
    x = 4,123,433.82

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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.