Home / 4,878,726.12-7,317,424.86-1,284,192.04

Finding the Fourth Proportional to 4,878,726.12, 7,317,424.86 and 1,284,192.04

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Solution

The fourth proportional to 4,878,726.12, 7,317,424.86 and 1,284,192.04 is: 1,926,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,726.12 : 7,317,424.86 = 1,284,192.04 : x
  2. Step 2: Convert to fraction form
    4,878,726.12/7,317,424.86 = 1,284,192.04/x
  3. Step 3: Cross multiply
    4,878,726.12x = 7,317,424.86 × 1,284,192.04
  4. Step 4: Simplify right side
    4,878,726.12x = 9,396,978,758,510.12
  5. Step 5: Solve for x
    x = 9,396,978,758,510.12/4,878,726.12
  6. Step 6: Final answer
    x = 1,926,113.20

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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.