Home / 1,920,289.06-2,886,264.78-1,282,854.70

Finding the Fourth Proportional to 1,920,289.06, 2,886,264.78 and 1,282,854.70

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Solution

The fourth proportional to 1,920,289.06, 2,886,264.78 and 1,282,854.70 is: 1,928,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,289.06 : 2,886,264.78 = 1,282,854.70 : x
  2. Step 2: Convert to fraction form
    1,920,289.06/2,886,264.78 = 1,282,854.70/x
  3. Step 3: Cross multiply
    1,920,289.06x = 2,886,264.78 × 1,282,854.70
  4. Step 4: Simplify right side
    1,920,289.06x = 3,702,658,338,467.47
  5. Step 5: Solve for x
    x = 3,702,658,338,467.47/1,920,289.06
  6. Step 6: Final answer
    x = 1,928,177.59

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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.