Home / 3,646,784.61-5,032,865.79-2,015,510.40

Finding the Fourth Proportional to 3,646,784.61, 5,032,865.79 and 2,015,510.40

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Solution

The fourth proportional to 3,646,784.61, 5,032,865.79 and 2,015,510.40 is: 2,781,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646,784.61 : 5,032,865.79 = 2,015,510.40 : x
  2. Step 2: Convert to fraction form
    3,646,784.61/5,032,865.79 = 2,015,510.40/x
  3. Step 3: Cross multiply
    3,646,784.61x = 5,032,865.79 × 2,015,510.40
  4. Step 4: Simplify right side
    3,646,784.61x = 10,143,793,341,549.21
  5. Step 5: Solve for x
    x = 10,143,793,341,549.21/3,646,784.61
  6. Step 6: Final answer
    x = 2,781,571.83

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1.5x scale

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.