Home / 2,235,393.48-3,351,068.34-815,117.40

Finding the Fourth Proportional to 2,235,393.48, 3,351,068.34 and 815,117.40

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Solution

The fourth proportional to 2,235,393.48, 3,351,068.34 and 815,117.40 is: 1,221,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,393.48 : 3,351,068.34 = 815,117.40 : x
  2. Step 2: Convert to fraction form
    2,235,393.48/3,351,068.34 = 815,117.40/x
  3. Step 3: Cross multiply
    2,235,393.48x = 3,351,068.34 × 815,117.40
  4. Step 4: Simplify right side
    2,235,393.48x = 2,731,514,112,523.12
  5. Step 5: Solve for x
    x = 2,731,514,112,523.12/2,235,393.48
  6. Step 6: Final answer
    x = 1,221,938.84

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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.