Home / 1,668,291.16-2,498,395.68-1,154,516.64

Finding the Fourth Proportional to 1,668,291.16, 2,498,395.68 and 1,154,516.64

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Solution

The fourth proportional to 1,668,291.16, 2,498,395.68 and 1,154,516.64 is: 1,728,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,291.16 : 2,498,395.68 = 1,154,516.64 : x
  2. Step 2: Convert to fraction form
    1,668,291.16/2,498,395.68 = 1,154,516.64/x
  3. Step 3: Cross multiply
    1,668,291.16x = 2,498,395.68 × 1,154,516.64
  4. Step 4: Simplify right side
    1,668,291.16x = 2,884,439,385,864.12
  5. Step 5: Solve for x
    x = 2,884,439,385,864.12/1,668,291.16
  6. Step 6: Final answer
    x = 1,728,978.40

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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.