Home / 2,240,779.50-3,361,322.34-643,219.74

Finding the Fourth Proportional to 2,240,779.50, 3,361,322.34 and 643,219.74

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Solution

The fourth proportional to 2,240,779.50, 3,361,322.34 and 643,219.74 is: 964,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,779.50 : 3,361,322.34 = 643,219.74 : x
  2. Step 2: Convert to fraction form
    2,240,779.50/3,361,322.34 = 643,219.74/x
  3. Step 3: Cross multiply
    2,240,779.50x = 3,361,322.34 × 643,219.74
  4. Step 4: Simplify right side
    2,240,779.50x = 2,162,068,881,590.99
  5. Step 5: Solve for x
    x = 2,162,068,881,590.99/2,240,779.50
  6. Step 6: Final answer
    x = 964,873.55

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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.