Home / 2,547,897.85-3,515,993.61-1,386,348.89

Finding the Fourth Proportional to 2,547,897.85, 3,515,993.61 and 1,386,348.89

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Solution

The fourth proportional to 2,547,897.85, 3,515,993.61 and 1,386,348.89 is: 1,913,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,897.85 : 3,515,993.61 = 1,386,348.89 : x
  2. Step 2: Convert to fraction form
    2,547,897.85/3,515,993.61 = 1,386,348.89/x
  3. Step 3: Cross multiply
    2,547,897.85x = 3,515,993.61 × 1,386,348.89
  4. Step 4: Simplify right side
    2,547,897.85x = 4,874,393,833,146.48
  5. Step 5: Solve for x
    x = 4,874,393,833,146.48/2,547,897.85
  6. Step 6: Final answer
    x = 1,913,104.10

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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.