Home / 1,911,940.23-2,867,897.55-774,685.65

Finding the Fourth Proportional to 1,911,940.23, 2,867,897.55 and 774,685.65

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Solution

The fourth proportional to 1,911,940.23, 2,867,897.55 and 774,685.65 is: 1,162,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,940.23 : 2,867,897.55 = 774,685.65 : x
  2. Step 2: Convert to fraction form
    1,911,940.23/2,867,897.55 = 774,685.65/x
  3. Step 3: Cross multiply
    1,911,940.23x = 2,867,897.55 × 774,685.65
  4. Step 4: Simplify right side
    1,911,940.23x = 2,221,719,077,655.16
  5. Step 5: Solve for x
    x = 2,221,719,077,655.16/1,911,940.23
  6. Step 6: Final answer
    x = 1,162,023.29

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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.