Home / 2,994,339.60-4,491,509.40-1,645,981.20

Finding the Fourth Proportional to 2,994,339.60, 4,491,509.40 and 1,645,981.20

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Solution

The fourth proportional to 2,994,339.60, 4,491,509.40 and 1,645,981.20 is: 2,468,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994,339.60 : 4,491,509.40 = 1,645,981.20 : x
  2. Step 2: Convert to fraction form
    2,994,339.60/4,491,509.40 = 1,645,981.20/x
  3. Step 3: Cross multiply
    2,994,339.60x = 4,491,509.40 × 1,645,981.20
  4. Step 4: Simplify right side
    2,994,339.60x = 7,392,940,032,023.28
  5. Step 5: Solve for x
    x = 7,392,940,032,023.28/2,994,339.60
  6. Step 6: Final answer
    x = 2,468,971.80

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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.