Home / 2,178,740.60-3,265,346.10-1,940,967.80

Finding the Fourth Proportional to 2,178,740.60, 3,265,346.10 and 1,940,967.80

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Solution

The fourth proportional to 2,178,740.60, 3,265,346.10 and 1,940,967.80 is: 2,908,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,740.60 : 3,265,346.10 = 1,940,967.80 : x
  2. Step 2: Convert to fraction form
    2,178,740.60/3,265,346.10 = 1,940,967.80/x
  3. Step 3: Cross multiply
    2,178,740.60x = 3,265,346.10 × 1,940,967.80
  4. Step 4: Simplify right side
    2,178,740.60x = 6,337,931,635,955.58
  5. Step 5: Solve for x
    x = 6,337,931,635,955.58/2,178,740.60
  6. Step 6: Final answer
    x = 2,908,988.63

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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.