Home / 2,979,567.16-4,111,787.10-1,621,449.88

Finding the Fourth Proportional to 2,979,567.16, 4,111,787.10 and 1,621,449.88

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Solution

The fourth proportional to 2,979,567.16, 4,111,787.10 and 1,621,449.88 is: 2,237,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,567.16 : 4,111,787.10 = 1,621,449.88 : x
  2. Step 2: Convert to fraction form
    2,979,567.16/4,111,787.10 = 1,621,449.88/x
  3. Step 3: Cross multiply
    2,979,567.16x = 4,111,787.10 × 1,621,449.88
  4. Step 4: Simplify right side
    2,979,567.16x = 6,667,056,699,880.55
  5. Step 5: Solve for x
    x = 6,667,056,699,880.55/2,979,567.16
  6. Step 6: Final answer
    x = 2,237,592.36

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1.5x scale

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.