Home / 2,013,511.20-3,020,266.80-816,007.20

Finding the Fourth Proportional to 2,013,511.20, 3,020,266.80 and 816,007.20

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Solution

The fourth proportional to 2,013,511.20, 3,020,266.80 and 816,007.20 is: 1,224,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,511.20 : 3,020,266.80 = 816,007.20 : x
  2. Step 2: Convert to fraction form
    2,013,511.20/3,020,266.80 = 816,007.20/x
  3. Step 3: Cross multiply
    2,013,511.20x = 3,020,266.80 × 816,007.20
  4. Step 4: Simplify right side
    2,013,511.20x = 2,464,559,454,720.96
  5. Step 5: Solve for x
    x = 2,464,559,454,720.96/2,013,511.20
  6. Step 6: Final answer
    x = 1,224,010.80

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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.