Home / 6,475,374.40-9,713,061.60-1,987,067.20

Finding the Fourth Proportional to 6,475,374.40, 9,713,061.60 and 1,987,067.20

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Solution

The fourth proportional to 6,475,374.40, 9,713,061.60 and 1,987,067.20 is: 2,980,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,374.40 : 9,713,061.60 = 1,987,067.20 : x
  2. Step 2: Convert to fraction form
    6,475,374.40/9,713,061.60 = 1,987,067.20/x
  3. Step 3: Cross multiply
    6,475,374.40x = 9,713,061.60 × 1,987,067.20
  4. Step 4: Simplify right side
    6,475,374.40x = 19,300,506,116,939.52
  5. Step 5: Solve for x
    x = 19,300,506,116,939.52/6,475,374.40
  6. Step 6: Final answer
    x = 2,980,600.80

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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.