Home / 3,020,107.32-4,167,694.20-1,643,404.08

Finding the Fourth Proportional to 3,020,107.32, 4,167,694.20 and 1,643,404.08

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Solution

The fourth proportional to 3,020,107.32, 4,167,694.20 and 1,643,404.08 is: 2,267,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,107.32 : 4,167,694.20 = 1,643,404.08 : x
  2. Step 2: Convert to fraction form
    3,020,107.32/4,167,694.20 = 1,643,404.08/x
  3. Step 3: Cross multiply
    3,020,107.32x = 4,167,694.20 × 1,643,404.08
  4. Step 4: Simplify right side
    3,020,107.32x = 6,849,205,652,472.34
  5. Step 5: Solve for x
    x = 6,849,205,652,472.34/3,020,107.32
  6. Step 6: Final answer
    x = 2,267,868.30

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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.