Home / 2,908,258.40-4,362,387.60-778,671.20

Finding the Fourth Proportional to 2,908,258.40, 4,362,387.60 and 778,671.20

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Solution

The fourth proportional to 2,908,258.40, 4,362,387.60 and 778,671.20 is: 1,168,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,258.40 : 4,362,387.60 = 778,671.20 : x
  2. Step 2: Convert to fraction form
    2,908,258.40/4,362,387.60 = 778,671.20/x
  3. Step 3: Cross multiply
    2,908,258.40x = 4,362,387.60 × 778,671.20
  4. Step 4: Simplify right side
    2,908,258.40x = 3,396,865,587,357.12
  5. Step 5: Solve for x
    x = 3,396,865,587,357.12/2,908,258.40
  6. Step 6: Final answer
    x = 1,168,006.80

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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.