Home / 1,671,983.70-2,307,534.48-992,920.20

Finding the Fourth Proportional to 1,671,983.70, 2,307,534.48 and 992,920.20

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Solution

The fourth proportional to 1,671,983.70, 2,307,534.48 and 992,920.20 is: 1,370,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,983.70 : 2,307,534.48 = 992,920.20 : x
  2. Step 2: Convert to fraction form
    1,671,983.70/2,307,534.48 = 992,920.20/x
  3. Step 3: Cross multiply
    1,671,983.70x = 2,307,534.48 × 992,920.20
  4. Step 4: Simplify right side
    1,671,983.70x = 2,291,197,597,388.50
  5. Step 5: Solve for x
    x = 2,291,197,597,388.50/1,671,983.70
  6. Step 6: Final answer
    x = 1,370,346.85

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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.