Home / 2,119,862.10-3,175,127.55-1,276,943.70

Finding the Fourth Proportional to 2,119,862.10, 3,175,127.55 and 1,276,943.70

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Solution

The fourth proportional to 2,119,862.10, 3,175,127.55 and 1,276,943.70 is: 1,912,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,862.10 : 3,175,127.55 = 1,276,943.70 : x
  2. Step 2: Convert to fraction form
    2,119,862.10/3,175,127.55 = 1,276,943.70/x
  3. Step 3: Cross multiply
    2,119,862.10x = 3,175,127.55 × 1,276,943.70
  4. Step 4: Simplify right side
    2,119,862.10x = 4,054,459,121,668.93
  5. Step 5: Solve for x
    x = 4,054,459,121,668.93/2,119,862.10
  6. Step 6: Final answer
    x = 1,912,605.13

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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.