Home / 4,604,939.34-6,905,402.43-1,321,570.72

Finding the Fourth Proportional to 4,604,939.34, 6,905,402.43 and 1,321,570.72

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Solution

The fourth proportional to 4,604,939.34, 6,905,402.43 and 1,321,570.72 is: 1,981,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604,939.34 : 6,905,402.43 = 1,321,570.72 : x
  2. Step 2: Convert to fraction form
    4,604,939.34/6,905,402.43 = 1,321,570.72/x
  3. Step 3: Cross multiply
    4,604,939.34x = 6,905,402.43 × 1,321,570.72
  4. Step 4: Simplify right side
    4,604,939.34x = 9,125,977,661,304.85
  5. Step 5: Solve for x
    x = 9,125,977,661,304.85/4,604,939.34
  6. Step 6: Final answer
    x = 1,981,780.21

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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.