Home / 4,638,678.40-6,972,014.40-4,022,819.20

Finding the Fourth Proportional to 4,638,678.40, 6,972,014.40 and 4,022,819.20

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Solution

The fourth proportional to 4,638,678.40, 6,972,014.40 and 4,022,819.20 is: 6,046,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,678.40 : 6,972,014.40 = 4,022,819.20 : x
  2. Step 2: Convert to fraction form
    4,638,678.40/6,972,014.40 = 4,022,819.20/x
  3. Step 3: Cross multiply
    4,638,678.40x = 6,972,014.40 × 4,022,819.20
  4. Step 4: Simplify right side
    4,638,678.40x = 28,047,153,390,996.48
  5. Step 5: Solve for x
    x = 28,047,153,390,996.48/4,638,678.40
  6. Step 6: Final answer
    x = 6,046,367.30

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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.