Home / 1,213,151.10-1,819,726.65-1,197,404.70

Finding the Fourth Proportional to 1,213,151.10, 1,819,726.65 and 1,197,404.70

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Solution

The fourth proportional to 1,213,151.10, 1,819,726.65 and 1,197,404.70 is: 1,796,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,151.10 : 1,819,726.65 = 1,197,404.70 : x
  2. Step 2: Convert to fraction form
    1,213,151.10/1,819,726.65 = 1,197,404.70/x
  3. Step 3: Cross multiply
    1,213,151.10x = 1,819,726.65 × 1,197,404.70
  4. Step 4: Simplify right side
    1,213,151.10x = 2,178,949,243,425.26
  5. Step 5: Solve for x
    x = 2,178,949,243,425.26/1,213,151.10
  6. Step 6: Final answer
    x = 1,796,107.05

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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.