Home / 3,202,417.65-4,418,899.90-1,912,984.32

Finding the Fourth Proportional to 3,202,417.65, 4,418,899.90 and 1,912,984.32

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Solution

The fourth proportional to 3,202,417.65, 4,418,899.90 and 1,912,984.32 is: 2,639,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,417.65 : 4,418,899.90 = 1,912,984.32 : x
  2. Step 2: Convert to fraction form
    3,202,417.65/4,418,899.90 = 1,912,984.32/x
  3. Step 3: Cross multiply
    3,202,417.65x = 4,418,899.90 × 1,912,984.32
  4. Step 4: Simplify right side
    3,202,417.65x = 8,453,286,209,302.32
  5. Step 5: Solve for x
    x = 8,453,286,209,302.32/3,202,417.65
  6. Step 6: Final answer
    x = 2,639,657.64

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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.