Home / 2,078,612.70-3,117,271.05-816,827.10

Finding the Fourth Proportional to 2,078,612.70, 3,117,271.05 and 816,827.10

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Solution

The fourth proportional to 2,078,612.70, 3,117,271.05 and 816,827.10 is: 1,224,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,612.70 : 3,117,271.05 = 816,827.10 : x
  2. Step 2: Convert to fraction form
    2,078,612.70/3,117,271.05 = 816,827.10/x
  3. Step 3: Cross multiply
    2,078,612.70x = 3,117,271.05 × 816,827.10
  4. Step 4: Simplify right side
    2,078,612.70x = 2,546,271,471,685.45
  5. Step 5: Solve for x
    x = 2,546,271,471,685.45/2,078,612.70
  6. Step 6: Final answer
    x = 1,224,986.01

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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.