Home / 5,320,321.47-7,981,603.05-1,725,807.75

Finding the Fourth Proportional to 5,320,321.47, 7,981,603.05 and 1,725,807.75

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Solution

The fourth proportional to 5,320,321.47, 7,981,603.05 and 1,725,807.75 is: 2,589,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,321.47 : 7,981,603.05 = 1,725,807.75 : x
  2. Step 2: Convert to fraction form
    5,320,321.47/7,981,603.05 = 1,725,807.75/x
  3. Step 3: Cross multiply
    5,320,321.47x = 7,981,603.05 × 1,725,807.75
  4. Step 4: Simplify right side
    5,320,321.47x = 13,774,712,401,113.64
  5. Step 5: Solve for x
    x = 13,774,712,401,113.64/5,320,321.47
  6. Step 6: Final answer
    x = 2,589,075.21

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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.