Home / 2,319,775.40-3,475,515.90-1,987,999.40

Finding the Fourth Proportional to 2,319,775.40, 3,475,515.90 and 1,987,999.40

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Solution

The fourth proportional to 2,319,775.40, 3,475,515.90 and 1,987,999.40 is: 2,978,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,775.40 : 3,475,515.90 = 1,987,999.40 : x
  2. Step 2: Convert to fraction form
    2,319,775.40/3,475,515.90 = 1,987,999.40/x
  3. Step 3: Cross multiply
    2,319,775.40x = 3,475,515.90 × 1,987,999.40
  4. Step 4: Simplify right side
    2,319,775.40x = 6,909,323,523,890.46
  5. Step 5: Solve for x
    x = 6,909,323,523,890.46/2,319,775.40
  6. Step 6: Final answer
    x = 2,978,445.04

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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.