Home / 2,431,424.22-3,355,432.47-1,343,766.30

Finding the Fourth Proportional to 2,431,424.22, 3,355,432.47 and 1,343,766.30

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Solution

The fourth proportional to 2,431,424.22, 3,355,432.47 and 1,343,766.30 is: 1,854,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,424.22 : 3,355,432.47 = 1,343,766.30 : x
  2. Step 2: Convert to fraction form
    2,431,424.22/3,355,432.47 = 1,343,766.30/x
  3. Step 3: Cross multiply
    2,431,424.22x = 3,355,432.47 × 1,343,766.30
  4. Step 4: Simplify right side
    2,431,424.22x = 4,508,917,075,111.76
  5. Step 5: Solve for x
    x = 4,508,917,075,111.76/2,431,424.22
  6. Step 6: Final answer
    x = 1,854,434.55

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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.