Home / 1,464,384.11-2,021,091.88-1,005,121.39

Finding the Fourth Proportional to 1,464,384.11, 2,021,091.88 and 1,005,121.39

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Solution

The fourth proportional to 1,464,384.11, 2,021,091.88 and 1,005,121.39 is: 1,387,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,384.11 : 2,021,091.88 = 1,005,121.39 : x
  2. Step 2: Convert to fraction form
    1,464,384.11/2,021,091.88 = 1,005,121.39/x
  3. Step 3: Cross multiply
    1,464,384.11x = 2,021,091.88 × 1,005,121.39
  4. Step 4: Simplify right side
    1,464,384.11x = 2,031,442,679,743.31
  5. Step 5: Solve for x
    x = 2,031,442,679,743.31/1,464,384.11
  6. Step 6: Final answer
    x = 1,387,233.49

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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.