Home / 1,948,752.72-2,689,231.32-1,089,414

Finding the Fourth Proportional to 1,948,752.72, 2,689,231.32 and 1,089,414

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Solution

The fourth proportional to 1,948,752.72, 2,689,231.32 and 1,089,414 is: 1,503,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,752.72 : 2,689,231.32 = 1,089,414 : x
  2. Step 2: Convert to fraction form
    1,948,752.72/2,689,231.32 = 1,089,414/x
  3. Step 3: Cross multiply
    1,948,752.72x = 2,689,231.32 × 1,089,414
  4. Step 4: Simplify right side
    1,948,752.72x = 2,929,686,249,246.48
  5. Step 5: Solve for x
    x = 2,929,686,249,246.48/1,948,752.72
  6. Step 6: Final answer
    x = 1,503,364.80

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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.