Home / 2,890,330.35-3,988,148.91-1,649,374.08

Finding the Fourth Proportional to 2,890,330.35, 3,988,148.91 and 1,649,374.08

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Solution

The fourth proportional to 2,890,330.35, 3,988,148.91 and 1,649,374.08 is: 2,275,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,330.35 : 3,988,148.91 = 1,649,374.08 : x
  2. Step 2: Convert to fraction form
    2,890,330.35/3,988,148.91 = 1,649,374.08/x
  3. Step 3: Cross multiply
    2,890,330.35x = 3,988,148.91 × 1,649,374.08
  4. Step 4: Simplify right side
    2,890,330.35x = 6,577,949,439,334.25
  5. Step 5: Solve for x
    x = 6,577,949,439,334.25/2,890,330.35
  6. Step 6: Final answer
    x = 2,275,846.93

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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.