Home / 1,920,438.47-2,650,173.73-1,049,254.41

Finding the Fourth Proportional to 1,920,438.47, 2,650,173.73 and 1,049,254.41

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Solution

The fourth proportional to 1,920,438.47, 2,650,173.73 and 1,049,254.41 is: 1,447,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,438.47 : 2,650,173.73 = 1,049,254.41 : x
  2. Step 2: Convert to fraction form
    1,920,438.47/2,650,173.73 = 1,049,254.41/x
  3. Step 3: Cross multiply
    1,920,438.47x = 2,650,173.73 × 1,049,254.41
  4. Step 4: Simplify right side
    1,920,438.47x = 2,780,706,473,468.65
  5. Step 5: Solve for x
    x = 2,780,706,473,468.65/1,920,438.47
  6. Step 6: Final answer
    x = 1,447,953.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.