Home / 1,818,497.80-2,727,746.70-1,188,123.40

Finding the Fourth Proportional to 1,818,497.80, 2,727,746.70 and 1,188,123.40

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Solution

The fourth proportional to 1,818,497.80, 2,727,746.70 and 1,188,123.40 is: 1,782,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,497.80 : 2,727,746.70 = 1,188,123.40 : x
  2. Step 2: Convert to fraction form
    1,818,497.80/2,727,746.70 = 1,188,123.40/x
  3. Step 3: Cross multiply
    1,818,497.80x = 2,727,746.70 × 1,188,123.40
  4. Step 4: Simplify right side
    1,818,497.80x = 3,240,899,683,542.78
  5. Step 5: Solve for x
    x = 3,240,899,683,542.78/1,818,497.80
  6. Step 6: Final answer
    x = 1,782,185.10

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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.