Home / 2,751,353.40-4,123,530.90-1,328,345.40

Finding the Fourth Proportional to 2,751,353.40, 4,123,530.90 and 1,328,345.40

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Solution

The fourth proportional to 2,751,353.40, 4,123,530.90 and 1,328,345.40 is: 1,990,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,353.40 : 4,123,530.90 = 1,328,345.40 : x
  2. Step 2: Convert to fraction form
    2,751,353.40/4,123,530.90 = 1,328,345.40/x
  3. Step 3: Cross multiply
    2,751,353.40x = 4,123,530.90 × 1,328,345.40
  4. Step 4: Simplify right side
    2,751,353.40x = 5,477,473,302,772.86
  5. Step 5: Solve for x
    x = 5,477,473,302,772.86/2,751,353.40
  6. Step 6: Final answer
    x = 1,990,828.70

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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.