Home / 4,771,129.20-7,154,242.20-1,404,898.80

Finding the Fourth Proportional to 4,771,129.20, 7,154,242.20 and 1,404,898.80

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Solution

The fourth proportional to 4,771,129.20, 7,154,242.20 and 1,404,898.80 is: 2,106,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,129.20 : 7,154,242.20 = 1,404,898.80 : x
  2. Step 2: Convert to fraction form
    4,771,129.20/7,154,242.20 = 1,404,898.80/x
  3. Step 3: Cross multiply
    4,771,129.20x = 7,154,242.20 × 1,404,898.80
  4. Step 4: Simplify right side
    4,771,129.20x = 10,050,986,281,689.36
  5. Step 5: Solve for x
    x = 10,050,986,281,689.36/4,771,129.20
  6. Step 6: Final answer
    x = 2,106,626.31

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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.