Home / 3,057,772.18-4,219,728.22-1,681,139.28

Finding the Fourth Proportional to 3,057,772.18, 4,219,728.22 and 1,681,139.28

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Solution

The fourth proportional to 3,057,772.18, 4,219,728.22 and 1,681,139.28 is: 2,319,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,772.18 : 4,219,728.22 = 1,681,139.28 : x
  2. Step 2: Convert to fraction form
    3,057,772.18/4,219,728.22 = 1,681,139.28/x
  3. Step 3: Cross multiply
    3,057,772.18x = 4,219,728.22 × 1,681,139.28
  4. Step 4: Simplify right side
    3,057,772.18x = 7,093,950,861,566.48
  5. Step 5: Solve for x
    x = 7,093,950,861,566.48/3,057,772.18
  6. Step 6: Final answer
    x = 2,319,973.64

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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.