Home / 5,290,557.15-7,301,644.23-3,115,302.72

Finding the Fourth Proportional to 5,290,557.15, 7,301,644.23 and 3,115,302.72

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Solution

The fourth proportional to 5,290,557.15, 7,301,644.23 and 3,115,302.72 is: 4,299,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,557.15 : 7,301,644.23 = 3,115,302.72 : x
  2. Step 2: Convert to fraction form
    5,290,557.15/7,301,644.23 = 3,115,302.72/x
  3. Step 3: Cross multiply
    5,290,557.15x = 7,301,644.23 × 3,115,302.72
  4. Step 4: Simplify right side
    5,290,557.15x = 22,746,832,130,191.31
  5. Step 5: Solve for x
    x = 22,746,832,130,191.31/5,290,557.15
  6. Step 6: Final answer
    x = 4,299,515.44

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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.