Home / 2,859,368.80-4,287,886.80-965,135.20

Finding the Fourth Proportional to 2,859,368.80, 4,287,886.80 and 965,135.20

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Solution

The fourth proportional to 2,859,368.80, 4,287,886.80 and 965,135.20 is: 1,447,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,368.80 : 4,287,886.80 = 965,135.20 : x
  2. Step 2: Convert to fraction form
    2,859,368.80/4,287,886.80 = 965,135.20/x
  3. Step 3: Cross multiply
    2,859,368.80x = 4,287,886.80 × 965,135.20
  4. Step 4: Simplify right side
    2,859,368.80x = 4,138,390,484,295.36
  5. Step 5: Solve for x
    x = 4,138,390,484,295.36/2,859,368.80
  6. Step 6: Final answer
    x = 1,447,309.10

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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.