Home / 6,475,999.60-9,713,999.40-1,987,692.40

Finding the Fourth Proportional to 6,475,999.60, 9,713,999.40 and 1,987,692.40

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Solution

The fourth proportional to 6,475,999.60, 9,713,999.40 and 1,987,692.40 is: 2,981,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,999.60 : 9,713,999.40 = 1,987,692.40 : x
  2. Step 2: Convert to fraction form
    6,475,999.60/9,713,999.40 = 1,987,692.40/x
  3. Step 3: Cross multiply
    6,475,999.60x = 9,713,999.40 × 1,987,692.40
  4. Step 4: Simplify right side
    6,475,999.60x = 19,308,442,780,984.56
  5. Step 5: Solve for x
    x = 19,308,442,780,984.56/6,475,999.60
  6. Step 6: Final answer
    x = 2,981,538.60

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1.5x scale

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.