Home / 2,602,439.20-3,903,464.40-1,085,730.40

Finding the Fourth Proportional to 2,602,439.20, 3,903,464.40 and 1,085,730.40

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Solution

The fourth proportional to 2,602,439.20, 3,903,464.40 and 1,085,730.40 is: 1,628,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,439.20 : 3,903,464.40 = 1,085,730.40 : x
  2. Step 2: Convert to fraction form
    2,602,439.20/3,903,464.40 = 1,085,730.40/x
  3. Step 3: Cross multiply
    2,602,439.20x = 3,903,464.40 × 1,085,730.40
  4. Step 4: Simplify right side
    2,602,439.20x = 4,238,109,964,397.76
  5. Step 5: Solve for x
    x = 4,238,109,964,397.76/2,602,439.20
  6. Step 6: Final answer
    x = 1,628,514.50

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1.5x scale

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.