Home / 5,021,129.72-6,929,131.02-2,846,084.12

Finding the Fourth Proportional to 5,021,129.72, 6,929,131.02 and 2,846,084.12

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Solution

The fourth proportional to 5,021,129.72, 6,929,131.02 and 2,846,084.12 is: 3,927,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021,129.72 : 6,929,131.02 = 2,846,084.12 : x
  2. Step 2: Convert to fraction form
    5,021,129.72/6,929,131.02 = 2,846,084.12/x
  3. Step 3: Cross multiply
    5,021,129.72x = 6,929,131.02 × 2,846,084.12
  4. Step 4: Simplify right side
    5,021,129.72x = 19,720,889,761,421.40
  5. Step 5: Solve for x
    x = 19,720,889,761,421.40/5,021,129.72
  6. Step 6: Final answer
    x = 3,927,580.22

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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.