Home / 2,055,455.48-2,836,456.19-1,137,686.40

Finding the Fourth Proportional to 2,055,455.48, 2,836,456.19 and 1,137,686.40

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Solution

The fourth proportional to 2,055,455.48, 2,836,456.19 and 1,137,686.40 is: 1,569,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,455.48 : 2,836,456.19 = 1,137,686.40 : x
  2. Step 2: Convert to fraction form
    2,055,455.48/2,836,456.19 = 1,137,686.40/x
  3. Step 3: Cross multiply
    2,055,455.48x = 2,836,456.19 × 1,137,686.40
  4. Step 4: Simplify right side
    2,055,455.48x = 3,226,997,625,870.38
  5. Step 5: Solve for x
    x = 3,226,997,625,870.38/2,055,455.48
  6. Step 6: Final answer
    x = 1,569,967.18

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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.