Home / 3,967,120.80-5,947,192.71-1,572,647.40

Finding the Fourth Proportional to 3,967,120.80, 5,947,192.71 and 1,572,647.40

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Solution

The fourth proportional to 3,967,120.80, 5,947,192.71 and 1,572,647.40 is: 2,357,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,120.80 : 5,947,192.71 = 1,572,647.40 : x
  2. Step 2: Convert to fraction form
    3,967,120.80/5,947,192.71 = 1,572,647.40/x
  3. Step 3: Cross multiply
    3,967,120.80x = 5,947,192.71 × 1,572,647.40
  4. Step 4: Simplify right side
    3,967,120.80x = 9,352,837,152,680.45
  5. Step 5: Solve for x
    x = 9,352,837,152,680.45/3,967,120.80
  6. Step 6: Final answer
    x = 2,357,588.19

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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.