Home / 1,881,945.10-2,822,919.70-515,730.47

Finding the Fourth Proportional to 1,881,945.10, 2,822,919.70 and 515,730.47

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Solution

The fourth proportional to 1,881,945.10, 2,822,919.70 and 515,730.47 is: 773,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,945.10 : 2,822,919.70 = 515,730.47 : x
  2. Step 2: Convert to fraction form
    1,881,945.10/2,822,919.70 = 515,730.47/x
  3. Step 3: Cross multiply
    1,881,945.10x = 2,822,919.70 × 515,730.47
  4. Step 4: Simplify right side
    1,881,945.10x = 1,455,865,701,074.61
  5. Step 5: Solve for x
    x = 1,455,865,701,074.61/1,881,945.10
  6. Step 6: Final answer
    x = 773,596.27

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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.