Home / 1,816,181.76-2,506,347.68-1,000,388.48

Finding the Fourth Proportional to 1,816,181.76, 2,506,347.68 and 1,000,388.48

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Solution

The fourth proportional to 1,816,181.76, 2,506,347.68 and 1,000,388.48 is: 1,380,545.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,181.76 : 2,506,347.68 = 1,000,388.48 : x
  2. Step 2: Convert to fraction form
    1,816,181.76/2,506,347.68 = 1,000,388.48/x
  3. Step 3: Cross multiply
    1,816,181.76x = 2,506,347.68 × 1,000,388.48
  4. Step 4: Simplify right side
    1,816,181.76x = 2,507,321,345,946.73
  5. Step 5: Solve for x
    x = 2,507,321,345,946.73/1,816,181.76
  6. Step 6: Final answer
    x = 1,380,545.38

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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.