Home / 1,445,871.10-2,168,806.65-1,377,442.30

Finding the Fourth Proportional to 1,445,871.10, 2,168,806.65 and 1,377,442.30

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Solution

The fourth proportional to 1,445,871.10, 2,168,806.65 and 1,377,442.30 is: 2,066,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,871.10 : 2,168,806.65 = 1,377,442.30 : x
  2. Step 2: Convert to fraction form
    1,445,871.10/2,168,806.65 = 1,377,442.30/x
  3. Step 3: Cross multiply
    1,445,871.10x = 2,168,806.65 × 1,377,442.30
  4. Step 4: Simplify right side
    1,445,871.10x = 2,987,406,020,231.30
  5. Step 5: Solve for x
    x = 2,987,406,020,231.30/1,445,871.10
  6. Step 6: Final answer
    x = 2,066,163.45

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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.