Home / 4,680,793.60-7,021,870.80-1,985,113.60

Finding the Fourth Proportional to 4,680,793.60, 7,021,870.80 and 1,985,113.60

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Solution

The fourth proportional to 4,680,793.60, 7,021,870.80 and 1,985,113.60 is: 2,977,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,793.60 : 7,021,870.80 = 1,985,113.60 : x
  2. Step 2: Convert to fraction form
    4,680,793.60/7,021,870.80 = 1,985,113.60/x
  3. Step 3: Cross multiply
    4,680,793.60x = 7,021,870.80 × 1,985,113.60
  4. Step 4: Simplify right side
    4,680,793.60x = 13,939,211,222,522.88
  5. Step 5: Solve for x
    x = 13,939,211,222,522.88/4,680,793.60
  6. Step 6: Final answer
    x = 2,977,958.96

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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.