Home / 3,630,377.60-5,445,566.40-970,985.60

Finding the Fourth Proportional to 3,630,377.60, 5,445,566.40 and 970,985.60

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Solution

The fourth proportional to 3,630,377.60, 5,445,566.40 and 970,985.60 is: 1,456,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,377.60 : 5,445,566.40 = 970,985.60 : x
  2. Step 2: Convert to fraction form
    3,630,377.60/5,445,566.40 = 970,985.60/x
  3. Step 3: Cross multiply
    3,630,377.60x = 5,445,566.40 × 970,985.60
  4. Step 4: Simplify right side
    3,630,377.60x = 5,287,566,558,243.84
  5. Step 5: Solve for x
    x = 5,287,566,558,243.84/3,630,377.60
  6. Step 6: Final answer
    x = 1,456,478.40

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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.