Home / 2,105,505.90-3,155,306.40-1,851,595.20

Finding the Fourth Proportional to 2,105,505.90, 3,155,306.40 and 1,851,595.20

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Solution

The fourth proportional to 2,105,505.90, 3,155,306.40 and 1,851,595.20 is: 2,774,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,505.90 : 3,155,306.40 = 1,851,595.20 : x
  2. Step 2: Convert to fraction form
    2,105,505.90/3,155,306.40 = 1,851,595.20/x
  3. Step 3: Cross multiply
    2,105,505.90x = 3,155,306.40 × 1,851,595.20
  4. Step 4: Simplify right side
    2,105,505.90x = 5,842,350,184,769.28
  5. Step 5: Solve for x
    x = 5,842,350,184,769.28/2,105,505.90
  6. Step 6: Final answer
    x = 2,774,796.40

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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.