Home / 3,250,874.79-4,876,632.95-1,120,678.47

Finding the Fourth Proportional to 3,250,874.79, 4,876,632.95 and 1,120,678.47

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Solution

The fourth proportional to 3,250,874.79, 4,876,632.95 and 1,120,678.47 is: 1,681,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250,874.79 : 4,876,632.95 = 1,120,678.47 : x
  2. Step 2: Convert to fraction form
    3,250,874.79/4,876,632.95 = 1,120,678.47/x
  3. Step 3: Cross multiply
    3,250,874.79x = 4,876,632.95 × 1,120,678.47
  4. Step 4: Simplify right side
    3,250,874.79x = 5,465,137,547,554.19
  5. Step 5: Solve for x
    x = 5,465,137,547,554.19/3,250,874.79
  6. Step 6: Final answer
    x = 1,681,128.28

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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.