Home / 1,515,294.11-2,091,101.59-836,225.75

Finding the Fourth Proportional to 1,515,294.11, 2,091,101.59 and 836,225.75

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Solution

The fourth proportional to 1,515,294.11, 2,091,101.59 and 836,225.75 is: 1,153,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,294.11 : 2,091,101.59 = 836,225.75 : x
  2. Step 2: Convert to fraction form
    1,515,294.11/2,091,101.59 = 836,225.75/x
  3. Step 3: Cross multiply
    1,515,294.11x = 2,091,101.59 × 836,225.75
  4. Step 4: Simplify right side
    1,515,294.11x = 1,748,632,995,423.94
  5. Step 5: Solve for x
    x = 1,748,632,995,423.94/1,515,294.11
  6. Step 6: Final answer
    x = 1,153,989.17

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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.