Home / 2,680,812.80-4,021,802.40-883,390.40

Finding the Fourth Proportional to 2,680,812.80, 4,021,802.40 and 883,390.40

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Solution

The fourth proportional to 2,680,812.80, 4,021,802.40 and 883,390.40 is: 1,325,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,812.80 : 4,021,802.40 = 883,390.40 : x
  2. Step 2: Convert to fraction form
    2,680,812.80/4,021,802.40 = 883,390.40/x
  3. Step 3: Cross multiply
    2,680,812.80x = 4,021,802.40 × 883,390.40
  4. Step 4: Simplify right side
    2,680,812.80x = 3,552,821,630,856.96
  5. Step 5: Solve for x
    x = 3,552,821,630,856.96/2,680,812.80
  6. Step 6: Final answer
    x = 1,325,277.78

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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.