Home / 1,816,372.32-2,506,405.23-1,118,542.20

Finding the Fourth Proportional to 1,816,372.32, 2,506,405.23 and 1,118,542.20

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Solution

The fourth proportional to 1,816,372.32, 2,506,405.23 and 1,118,542.20 is: 1,543,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,372.32 : 2,506,405.23 = 1,118,542.20 : x
  2. Step 2: Convert to fraction form
    1,816,372.32/2,506,405.23 = 1,118,542.20/x
  3. Step 3: Cross multiply
    1,816,372.32x = 2,506,405.23 × 1,118,542.20
  4. Step 4: Simplify right side
    1,816,372.32x = 2,803,520,020,055.71
  5. Step 5: Solve for x
    x = 2,803,520,020,055.71/1,816,372.32
  6. Step 6: Final answer
    x = 1,543,472.11

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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.