Home / 1,964,712.30-2,947,962.69-953,287.98

Finding the Fourth Proportional to 1,964,712.30, 2,947,962.69 and 953,287.98

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Solution

The fourth proportional to 1,964,712.30, 2,947,962.69 and 953,287.98 is: 1,430,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,712.30 : 2,947,962.69 = 953,287.98 : x
  2. Step 2: Convert to fraction form
    1,964,712.30/2,947,962.69 = 953,287.98/x
  3. Step 3: Cross multiply
    1,964,712.30x = 2,947,962.69 × 953,287.98
  4. Step 4: Simplify right side
    1,964,712.30x = 2,810,257,397,865.47
  5. Step 5: Solve for x
    x = 2,810,257,397,865.47/1,964,712.30
  6. Step 6: Final answer
    x = 1,430,365.86

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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.