Home / 2,278,005.65-3,143,681.38-1,543,184.66

Finding the Fourth Proportional to 2,278,005.65, 3,143,681.38 and 1,543,184.66

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Solution

The fourth proportional to 2,278,005.65, 3,143,681.38 and 1,543,184.66 is: 2,129,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,005.65 : 3,143,681.38 = 1,543,184.66 : x
  2. Step 2: Convert to fraction form
    2,278,005.65/3,143,681.38 = 1,543,184.66/x
  3. Step 3: Cross multiply
    2,278,005.65x = 3,143,681.38 × 1,543,184.66
  4. Step 4: Simplify right side
    2,278,005.65x = 4,851,280,881,543.63
  5. Step 5: Solve for x
    x = 4,851,280,881,543.63/2,278,005.65
  6. Step 6: Final answer
    x = 2,129,617.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.