Home / 2,157,721.40-3,237,359.70-896,454.20

Finding the Fourth Proportional to 2,157,721.40, 3,237,359.70 and 896,454.20

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Solution

The fourth proportional to 2,157,721.40, 3,237,359.70 and 896,454.20 is: 1,345,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,721.40 : 3,237,359.70 = 896,454.20 : x
  2. Step 2: Convert to fraction form
    2,157,721.40/3,237,359.70 = 896,454.20/x
  3. Step 3: Cross multiply
    2,157,721.40x = 3,237,359.70 × 896,454.20
  4. Step 4: Simplify right side
    2,157,721.40x = 2,902,144,699,975.74
  5. Step 5: Solve for x
    x = 2,902,144,699,975.74/2,157,721.40
  6. Step 6: Final answer
    x = 1,345,004.36

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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.