Home / 1,948,771.50-2,689,308.21-1,089,331.23

Finding the Fourth Proportional to 1,948,771.50, 2,689,308.21 and 1,089,331.23

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Solution

The fourth proportional to 1,948,771.50, 2,689,308.21 and 1,089,331.23 is: 1,503,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,771.50 : 2,689,308.21 = 1,089,331.23 : x
  2. Step 2: Convert to fraction form
    1,948,771.50/2,689,308.21 = 1,089,331.23/x
  3. Step 3: Cross multiply
    1,948,771.50x = 2,689,308.21 × 1,089,331.23
  4. Step 4: Simplify right side
    1,948,771.50x = 2,929,547,420,248.40
  5. Step 5: Solve for x
    x = 2,929,547,420,248.40/1,948,771.50
  6. Step 6: Final answer
    x = 1,503,279.08

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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.