Home / 2,103,965.40-3,155,948.10-684,067.80

Finding the Fourth Proportional to 2,103,965.40, 3,155,948.10 and 684,067.80

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Solution

The fourth proportional to 2,103,965.40, 3,155,948.10 and 684,067.80 is: 1,026,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,965.40 : 3,155,948.10 = 684,067.80 : x
  2. Step 2: Convert to fraction form
    2,103,965.40/3,155,948.10 = 684,067.80/x
  3. Step 3: Cross multiply
    2,103,965.40x = 3,155,948.10 × 684,067.80
  4. Step 4: Simplify right side
    2,103,965.40x = 2,158,882,473,681.18
  5. Step 5: Solve for x
    x = 2,158,882,473,681.18/2,103,965.40
  6. Step 6: Final answer
    x = 1,026,101.70

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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.