Home / 1,537,047.90-2,120,962.46-892,347.57

Finding the Fourth Proportional to 1,537,047.90, 2,120,962.46 and 892,347.57

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Solution

The fourth proportional to 1,537,047.90, 2,120,962.46 and 892,347.57 is: 1,231,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,047.90 : 2,120,962.46 = 892,347.57 : x
  2. Step 2: Convert to fraction form
    1,537,047.90/2,120,962.46 = 892,347.57/x
  3. Step 3: Cross multiply
    1,537,047.90x = 2,120,962.46 × 892,347.57
  4. Step 4: Simplify right side
    1,537,047.90x = 1,892,635,692,780.48
  5. Step 5: Solve for x
    x = 1,892,635,692,780.48/1,537,047.90
  6. Step 6: Final answer
    x = 1,231,344.64

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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.