Home / 1,943,999.10-2,915,998.65-1,878,680.70

Finding the Fourth Proportional to 1,943,999.10, 2,915,998.65 and 1,878,680.70

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Solution

The fourth proportional to 1,943,999.10, 2,915,998.65 and 1,878,680.70 is: 2,818,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,999.10 : 2,915,998.65 = 1,878,680.70 : x
  2. Step 2: Convert to fraction form
    1,943,999.10/2,915,998.65 = 1,878,680.70/x
  3. Step 3: Cross multiply
    1,943,999.10x = 2,915,998.65 × 1,878,680.70
  4. Step 4: Simplify right side
    1,943,999.10x = 5,478,230,384,981.06
  5. Step 5: Solve for x
    x = 5,478,230,384,981.06/1,943,999.10
  6. Step 6: Final answer
    x = 2,818,021.05

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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.