Home / 1,618,793.10-2,428,870.05-869,964.30

Finding the Fourth Proportional to 1,618,793.10, 2,428,870.05 and 869,964.30

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Solution

The fourth proportional to 1,618,793.10, 2,428,870.05 and 869,964.30 is: 1,305,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,793.10 : 2,428,870.05 = 869,964.30 : x
  2. Step 2: Convert to fraction form
    1,618,793.10/2,428,870.05 = 869,964.30/x
  3. Step 3: Cross multiply
    1,618,793.10x = 2,428,870.05 × 869,964.30
  4. Step 4: Simplify right side
    1,618,793.10x = 2,113,030,232,839.22
  5. Step 5: Solve for x
    x = 2,113,030,232,839.22/1,618,793.10
  6. Step 6: Final answer
    x = 1,305,312.11

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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.