Home / 2,669,947.20-4,004,920.80-1,956,110.40

Finding the Fourth Proportional to 2,669,947.20, 4,004,920.80 and 1,956,110.40

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Solution

The fourth proportional to 2,669,947.20, 4,004,920.80 and 1,956,110.40 is: 2,934,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,947.20 : 4,004,920.80 = 1,956,110.40 : x
  2. Step 2: Convert to fraction form
    2,669,947.20/4,004,920.80 = 1,956,110.40/x
  3. Step 3: Cross multiply
    2,669,947.20x = 4,004,920.80 × 1,956,110.40
  4. Step 4: Simplify right side
    2,669,947.20x = 7,834,067,228,056.32
  5. Step 5: Solve for x
    x = 7,834,067,228,056.32/2,669,947.20
  6. Step 6: Final answer
    x = 2,934,165.60

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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.