Home / 2,378,953.71-3,282,959.50-1,291,225.57

Finding the Fourth Proportional to 2,378,953.71, 3,282,959.50 and 1,291,225.57

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Solution

The fourth proportional to 2,378,953.71, 3,282,959.50 and 1,291,225.57 is: 1,781,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,953.71 : 3,282,959.50 = 1,291,225.57 : x
  2. Step 2: Convert to fraction form
    2,378,953.71/3,282,959.50 = 1,291,225.57/x
  3. Step 3: Cross multiply
    2,378,953.71x = 3,282,959.50 × 1,291,225.57
  4. Step 4: Simplify right side
    2,378,953.71x = 4,239,041,240,238.95
  5. Step 5: Solve for x
    x = 4,239,041,240,238.95/2,378,953.71
  6. Step 6: Final answer
    x = 1,781,893.12

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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.