Home / 3,437,809.70-4,743,899.66-1,987,598.55

Finding the Fourth Proportional to 3,437,809.70, 4,743,899.66 and 1,987,598.55

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Solution

The fourth proportional to 3,437,809.70, 4,743,899.66 and 1,987,598.55 is: 2,742,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,809.70 : 4,743,899.66 = 1,987,598.55 : x
  2. Step 2: Convert to fraction form
    3,437,809.70/4,743,899.66 = 1,987,598.55/x
  3. Step 3: Cross multiply
    3,437,809.70x = 4,743,899.66 × 1,987,598.55
  4. Step 4: Simplify right side
    3,437,809.70x = 9,428,968,108,320.11
  5. Step 5: Solve for x
    x = 9,428,968,108,320.11/3,437,809.70
  6. Step 6: Final answer
    x = 2,742,725.44

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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.