Home / 2,778,135.04-4,168,499.28-982,378.72

Finding the Fourth Proportional to 2,778,135.04, 4,168,499.28 and 982,378.72

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Solution

The fourth proportional to 2,778,135.04, 4,168,499.28 and 982,378.72 is: 1,474,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,135.04 : 4,168,499.28 = 982,378.72 : x
  2. Step 2: Convert to fraction form
    2,778,135.04/4,168,499.28 = 982,378.72/x
  3. Step 3: Cross multiply
    2,778,135.04x = 4,168,499.28 × 982,378.72
  4. Step 4: Simplify right side
    2,778,135.04x = 4,095,044,987,007.32
  5. Step 5: Solve for x
    x = 4,095,044,987,007.32/2,778,135.04
  6. Step 6: Final answer
    x = 1,474,026.61

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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.