Home / 1,838,386.70-2,536,936.20-1,022,572.82

Finding the Fourth Proportional to 1,838,386.70, 2,536,936.20 and 1,022,572.82

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Solution

The fourth proportional to 1,838,386.70, 2,536,936.20 and 1,022,572.82 is: 1,411,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,386.70 : 2,536,936.20 = 1,022,572.82 : x
  2. Step 2: Convert to fraction form
    1,838,386.70/2,536,936.20 = 1,022,572.82/x
  3. Step 3: Cross multiply
    1,838,386.70x = 2,536,936.20 × 1,022,572.82
  4. Step 4: Simplify right side
    1,838,386.70x = 2,594,202,004,194.08
  5. Step 5: Solve for x
    x = 2,594,202,004,194.08/1,838,386.70
  6. Step 6: Final answer
    x = 1,411,129.66

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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.