Home / 1,636,005.76-2,257,103.51-947,301.64

Finding the Fourth Proportional to 1,636,005.76, 2,257,103.51 and 947,301.64

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Solution

The fourth proportional to 1,636,005.76, 2,257,103.51 and 947,301.64 is: 1,306,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,005.76 : 2,257,103.51 = 947,301.64 : x
  2. Step 2: Convert to fraction form
    1,636,005.76/2,257,103.51 = 947,301.64/x
  3. Step 3: Cross multiply
    1,636,005.76x = 2,257,103.51 × 947,301.64
  4. Step 4: Simplify right side
    1,636,005.76x = 2,138,157,851,936.25
  5. Step 5: Solve for x
    x = 2,138,157,851,936.25/1,636,005.76
  6. Step 6: Final answer
    x = 1,306,937.85

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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.