Home / 2,020,961.40-3,031,442.10-1,223,799.90

Finding the Fourth Proportional to 2,020,961.40, 3,031,442.10 and 1,223,799.90

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Solution

The fourth proportional to 2,020,961.40, 3,031,442.10 and 1,223,799.90 is: 1,835,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,961.40 : 3,031,442.10 = 1,223,799.90 : x
  2. Step 2: Convert to fraction form
    2,020,961.40/3,031,442.10 = 1,223,799.90/x
  3. Step 3: Cross multiply
    2,020,961.40x = 3,031,442.10 × 1,223,799.90
  4. Step 4: Simplify right side
    2,020,961.40x = 3,709,878,538,835.79
  5. Step 5: Solve for x
    x = 3,709,878,538,835.79/2,020,961.40
  6. Step 6: Final answer
    x = 1,835,699.85

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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.