Home / 4,920,287.10-7,380,430.65-3,131,102.40

Finding the Fourth Proportional to 4,920,287.10, 7,380,430.65 and 3,131,102.40

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Solution

The fourth proportional to 4,920,287.10, 7,380,430.65 and 3,131,102.40 is: 4,696,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,287.10 : 7,380,430.65 = 3,131,102.40 : x
  2. Step 2: Convert to fraction form
    4,920,287.10/7,380,430.65 = 3,131,102.40/x
  3. Step 3: Cross multiply
    4,920,287.10x = 7,380,430.65 × 3,131,102.40
  4. Step 4: Simplify right side
    4,920,287.10x = 23,108,884,121,248.56
  5. Step 5: Solve for x
    x = 23,108,884,121,248.56/4,920,287.10
  6. Step 6: Final answer
    x = 4,696,653.60

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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.