Home / 2,528,982-3,490,407.18-1,879,918.74

Finding the Fourth Proportional to 2,528,982, 3,490,407.18 and 1,879,918.74

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Solution

The fourth proportional to 2,528,982, 3,490,407.18 and 1,879,918.74 is: 2,594,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,982 : 3,490,407.18 = 1,879,918.74 : x
  2. Step 2: Convert to fraction form
    2,528,982/3,490,407.18 = 1,879,918.74/x
  3. Step 3: Cross multiply
    2,528,982x = 3,490,407.18 × 1,879,918.74
  4. Step 4: Simplify right side
    2,528,982x = 6,561,681,867,912.55
  5. Step 5: Solve for x
    x = 6,561,681,867,912.55/2,528,982
  6. Step 6: Final answer
    x = 2,594,594.14

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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.