Home / 2,209,377.90-3,048,673.70-1,229,085.32

Finding the Fourth Proportional to 2,209,377.90, 3,048,673.70 and 1,229,085.32

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Solution

The fourth proportional to 2,209,377.90, 3,048,673.70 and 1,229,085.32 is: 1,695,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,377.90 : 3,048,673.70 = 1,229,085.32 : x
  2. Step 2: Convert to fraction form
    2,209,377.90/3,048,673.70 = 1,229,085.32/x
  3. Step 3: Cross multiply
    2,209,377.90x = 3,048,673.70 × 1,229,085.32
  4. Step 4: Simplify right side
    2,209,377.90x = 3,747,080,090,140.08
  5. Step 5: Solve for x
    x = 3,747,080,090,140.08/2,209,377.90
  6. Step 6: Final answer
    x = 1,695,988.76

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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.