Home / 2,115,350.74-2,919,233.20-1,255,913.20

Finding the Fourth Proportional to 2,115,350.74, 2,919,233.20 and 1,255,913.20

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Solution

The fourth proportional to 2,115,350.74, 2,919,233.20 and 1,255,913.20 is: 1,733,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,350.74 : 2,919,233.20 = 1,255,913.20 : x
  2. Step 2: Convert to fraction form
    2,115,350.74/2,919,233.20 = 1,255,913.20/x
  3. Step 3: Cross multiply
    2,115,350.74x = 2,919,233.20 × 1,255,913.20
  4. Step 4: Simplify right side
    2,115,350.74x = 3,666,303,495,162.07
  5. Step 5: Solve for x
    x = 3,666,303,495,162.07/2,115,350.74
  6. Step 6: Final answer
    x = 1,733,189.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.