Home / 3,130,301.70-4,695,452.55-2,420,838.90

Finding the Fourth Proportional to 3,130,301.70, 4,695,452.55 and 2,420,838.90

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Solution

The fourth proportional to 3,130,301.70, 4,695,452.55 and 2,420,838.90 is: 3,631,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,301.70 : 4,695,452.55 = 2,420,838.90 : x
  2. Step 2: Convert to fraction form
    3,130,301.70/4,695,452.55 = 2,420,838.90/x
  3. Step 3: Cross multiply
    3,130,301.70x = 4,695,452.55 × 2,420,838.90
  4. Step 4: Simplify right side
    3,130,301.70x = 11,366,934,186,144.19
  5. Step 5: Solve for x
    x = 11,366,934,186,144.19/3,130,301.70
  6. Step 6: Final answer
    x = 3,631,258.35

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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.