Home / 1,949,056.40-2,919,437.40-1,617,280.40

Finding the Fourth Proportional to 1,949,056.40, 2,919,437.40 and 1,617,280.40

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Solution

The fourth proportional to 1,949,056.40, 2,919,437.40 and 1,617,280.40 is: 2,422,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,056.40 : 2,919,437.40 = 1,617,280.40 : x
  2. Step 2: Convert to fraction form
    1,949,056.40/2,919,437.40 = 1,617,280.40/x
  3. Step 3: Cross multiply
    1,949,056.40x = 2,919,437.40 × 1,617,280.40
  4. Step 4: Simplify right side
    1,949,056.40x = 4,721,548,886,046.96
  5. Step 5: Solve for x
    x = 4,721,548,886,046.96/1,949,056.40
  6. Step 6: Final answer
    x = 2,422,479.35

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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.