Home / 1,989,590.40-2,984,566.05-550,363.98

Finding the Fourth Proportional to 1,989,590.40, 2,984,566.05 and 550,363.98

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Solution

The fourth proportional to 1,989,590.40, 2,984,566.05 and 550,363.98 is: 825,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,590.40 : 2,984,566.05 = 550,363.98 : x
  2. Step 2: Convert to fraction form
    1,989,590.40/2,984,566.05 = 550,363.98/x
  3. Step 3: Cross multiply
    1,989,590.40x = 2,984,566.05 × 550,363.98
  4. Step 4: Simplify right side
    1,989,590.40x = 1,642,597,649,850.88
  5. Step 5: Solve for x
    x = 1,642,597,649,850.88/1,989,590.40
  6. Step 6: Final answer
    x = 825,595.89

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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.