Home / 4,947,345.60-7,421,018.40-3,826,219.20

Finding the Fourth Proportional to 4,947,345.60, 7,421,018.40 and 3,826,219.20

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Solution

The fourth proportional to 4,947,345.60, 7,421,018.40 and 3,826,219.20 is: 5,739,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,345.60 : 7,421,018.40 = 3,826,219.20 : x
  2. Step 2: Convert to fraction form
    4,947,345.60/7,421,018.40 = 3,826,219.20/x
  3. Step 3: Cross multiply
    4,947,345.60x = 7,421,018.40 × 3,826,219.20
  4. Step 4: Simplify right side
    4,947,345.60x = 28,394,443,085,633.28
  5. Step 5: Solve for x
    x = 28,394,443,085,633.28/4,947,345.60
  6. Step 6: Final answer
    x = 5,739,328.80

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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.