Home / 2,078,506.70-3,117,112.05-816,721.10

Finding the Fourth Proportional to 2,078,506.70, 3,117,112.05 and 816,721.10

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Solution

The fourth proportional to 2,078,506.70, 3,117,112.05 and 816,721.10 is: 1,224,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,506.70 : 3,117,112.05 = 816,721.10 : x
  2. Step 2: Convert to fraction form
    2,078,506.70/3,117,112.05 = 816,721.10/x
  3. Step 3: Cross multiply
    2,078,506.70x = 3,117,112.05 × 816,721.10
  4. Step 4: Simplify right side
    2,078,506.70x = 2,545,811,182,299.26
  5. Step 5: Solve for x
    x = 2,545,811,182,299.26/2,078,506.70
  6. Step 6: Final answer
    x = 1,224,827.03

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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.