Home / 2,866,721.13-4,300,090.54-707,746.49

Finding the Fourth Proportional to 2,866,721.13, 4,300,090.54 and 707,746.49

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Solution

The fourth proportional to 2,866,721.13, 4,300,090.54 and 707,746.49 is: 1,061,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,721.13 : 4,300,090.54 = 707,746.49 : x
  2. Step 2: Convert to fraction form
    2,866,721.13/4,300,090.54 = 707,746.49/x
  3. Step 3: Cross multiply
    2,866,721.13x = 4,300,090.54 × 707,746.49
  4. Step 4: Simplify right side
    2,866,721.13x = 3,043,373,979,222.73
  5. Step 5: Solve for x
    x = 3,043,373,979,222.73/2,866,721.13
  6. Step 6: Final answer
    x = 1,061,621.92

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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.