Home / 1,912,128.32-2,864,582.48-1,480,586.65

Finding the Fourth Proportional to 1,912,128.32, 2,864,582.48 and 1,480,586.65

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Solution

The fourth proportional to 1,912,128.32, 2,864,582.48 and 1,480,586.65 is: 2,218,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,128.32 : 2,864,582.48 = 1,480,586.65 : x
  2. Step 2: Convert to fraction form
    1,912,128.32/2,864,582.48 = 1,480,586.65/x
  3. Step 3: Cross multiply
    1,912,128.32x = 2,864,582.48 × 1,480,586.65
  4. Step 4: Simplify right side
    1,912,128.32x = 4,241,262,574,251.90
  5. Step 5: Solve for x
    x = 4,241,262,574,251.90/1,912,128.32
  6. Step 6: Final answer
    x = 2,218,084.70

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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.