Home / 4,985,477.12-7,479,477.30-1,391,243.60

Finding the Fourth Proportional to 4,985,477.12, 7,479,477.30 and 1,391,243.60

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Solution

The fourth proportional to 4,985,477.12, 7,479,477.30 and 1,391,243.60 is: 2,087,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,477.12 : 7,479,477.30 = 1,391,243.60 : x
  2. Step 2: Convert to fraction form
    4,985,477.12/7,479,477.30 = 1,391,243.60/x
  3. Step 3: Cross multiply
    4,985,477.12x = 7,479,477.30 × 1,391,243.60
  4. Step 4: Simplify right side
    4,985,477.12x = 10,405,774,924,970.28
  5. Step 5: Solve for x
    x = 10,405,774,924,970.28/4,985,477.12
  6. Step 6: Final answer
    x = 2,087,217.47

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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.