Home / 4,869,921.90-6,720,050.07-2,804,387.34

Finding the Fourth Proportional to 4,869,921.90, 6,720,050.07 and 2,804,387.34

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Solution

The fourth proportional to 4,869,921.90, 6,720,050.07 and 2,804,387.34 is: 3,869,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869,921.90 : 6,720,050.07 = 2,804,387.34 : x
  2. Step 2: Convert to fraction form
    4,869,921.90/6,720,050.07 = 2,804,387.34/x
  3. Step 3: Cross multiply
    4,869,921.90x = 6,720,050.07 × 2,804,387.34
  4. Step 4: Simplify right side
    4,869,921.90x = 18,845,623,340,474.11
  5. Step 5: Solve for x
    x = 18,845,623,340,474.11/4,869,921.90
  6. Step 6: Final answer
    x = 3,869,799.91

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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.