Home / 2,961,856.80-4,442,785.20-1,698,645.60

Finding the Fourth Proportional to 2,961,856.80, 4,442,785.20 and 1,698,645.60

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Solution

The fourth proportional to 2,961,856.80, 4,442,785.20 and 1,698,645.60 is: 2,547,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,856.80 : 4,442,785.20 = 1,698,645.60 : x
  2. Step 2: Convert to fraction form
    2,961,856.80/4,442,785.20 = 1,698,645.60/x
  3. Step 3: Cross multiply
    2,961,856.80x = 4,442,785.20 × 1,698,645.60
  4. Step 4: Simplify right side
    2,961,856.80x = 7,546,717,531,725.12
  5. Step 5: Solve for x
    x = 7,546,717,531,725.12/2,961,856.80
  6. Step 6: Final answer
    x = 2,547,968.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.