Home / 1,816,199.54-2,506,262.78-1,000,385.66

Finding the Fourth Proportional to 1,816,199.54, 2,506,262.78 and 1,000,385.66

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Solution

The fourth proportional to 1,816,199.54, 2,506,262.78 and 1,000,385.66 is: 1,380,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,199.54 : 2,506,262.78 = 1,000,385.66 : x
  2. Step 2: Convert to fraction form
    1,816,199.54/2,506,262.78 = 1,000,385.66/x
  3. Step 3: Cross multiply
    1,816,199.54x = 2,506,262.78 × 1,000,385.66
  4. Step 4: Simplify right side
    1,816,199.54x = 2,507,229,345,303.74
  5. Step 5: Solve for x
    x = 2,507,229,345,303.74/1,816,199.54
  6. Step 6: Final answer
    x = 1,380,481.21

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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.