Home / 1,916,022.80-2,874,263.34-778,541.96

Finding the Fourth Proportional to 1,916,022.80, 2,874,263.34 and 778,541.96

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Solution

The fourth proportional to 1,916,022.80, 2,874,263.34 and 778,541.96 is: 1,167,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,022.80 : 2,874,263.34 = 778,541.96 : x
  2. Step 2: Convert to fraction form
    1,916,022.80/2,874,263.34 = 778,541.96/x
  3. Step 3: Cross multiply
    1,916,022.80x = 2,874,263.34 × 778,541.96
  4. Step 4: Simplify right side
    1,916,022.80x = 2,237,734,614,279.75
  5. Step 5: Solve for x
    x = 2,237,734,614,279.75/1,916,022.80
  6. Step 6: Final answer
    x = 1,167,906.05

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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.