Home / 3,437,442.88-4,743,510.24-1,909,643.20

Finding the Fourth Proportional to 3,437,442.88, 4,743,510.24 and 1,909,643.20

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Solution

The fourth proportional to 3,437,442.88, 4,743,510.24 and 1,909,643.20 is: 2,635,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,442.88 : 4,743,510.24 = 1,909,643.20 : x
  2. Step 2: Convert to fraction form
    3,437,442.88/4,743,510.24 = 1,909,643.20/x
  3. Step 3: Cross multiply
    3,437,442.88x = 4,743,510.24 × 1,909,643.20
  4. Step 4: Simplify right side
    3,437,442.88x = 9,058,412,073,946.37
  5. Step 5: Solve for x
    x = 9,058,412,073,946.37/3,437,442.88
  6. Step 6: Final answer
    x = 2,635,218.21

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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.