Home / 2,357,287.80-3,536,190.90-861,703.80

Finding the Fourth Proportional to 2,357,287.80, 3,536,190.90 and 861,703.80

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Solution

The fourth proportional to 2,357,287.80, 3,536,190.90 and 861,703.80 is: 1,292,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357,287.80 : 3,536,190.90 = 861,703.80 : x
  2. Step 2: Convert to fraction form
    2,357,287.80/3,536,190.90 = 861,703.80/x
  3. Step 3: Cross multiply
    2,357,287.80x = 3,536,190.90 × 861,703.80
  4. Step 4: Simplify right side
    2,357,287.80x = 3,047,149,136,055.42
  5. Step 5: Solve for x
    x = 3,047,149,136,055.42/2,357,287.80
  6. Step 6: Final answer
    x = 1,292,650.45

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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.