Home / 3,045,308.48-4,202,343.60-1,687,083.20

Finding the Fourth Proportional to 3,045,308.48, 4,202,343.60 and 1,687,083.20

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Solution

The fourth proportional to 3,045,308.48, 4,202,343.60 and 1,687,083.20 is: 2,328,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045,308.48 : 4,202,343.60 = 1,687,083.20 : x
  2. Step 2: Convert to fraction form
    3,045,308.48/4,202,343.60 = 1,687,083.20/x
  3. Step 3: Cross multiply
    3,045,308.48x = 4,202,343.60 × 1,687,083.20
  4. Step 4: Simplify right side
    3,045,308.48x = 7,089,703,288,187.52
  5. Step 5: Solve for x
    x = 7,089,703,288,187.52/3,045,308.48
  6. Step 6: Final answer
    x = 2,328,073.93

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1.5x scale

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.