Home / 2,085,803.10-3,128,704.65-666,002.70

Finding the Fourth Proportional to 2,085,803.10, 3,128,704.65 and 666,002.70

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Solution

The fourth proportional to 2,085,803.10, 3,128,704.65 and 666,002.70 is: 999,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,803.10 : 3,128,704.65 = 666,002.70 : x
  2. Step 2: Convert to fraction form
    2,085,803.10/3,128,704.65 = 666,002.70/x
  3. Step 3: Cross multiply
    2,085,803.10x = 3,128,704.65 × 666,002.70
  4. Step 4: Simplify right side
    2,085,803.10x = 2,083,725,744,402.55
  5. Step 5: Solve for x
    x = 2,083,725,744,402.55/2,085,803.10
  6. Step 6: Final answer
    x = 999,004.05

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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.