Home / 2,801,907.20-4,202,860.80-1,845,313.40

Finding the Fourth Proportional to 2,801,907.20, 4,202,860.80 and 1,845,313.40

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Solution

The fourth proportional to 2,801,907.20, 4,202,860.80 and 1,845,313.40 is: 2,767,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,907.20 : 4,202,860.80 = 1,845,313.40 : x
  2. Step 2: Convert to fraction form
    2,801,907.20/4,202,860.80 = 1,845,313.40/x
  3. Step 3: Cross multiply
    2,801,907.20x = 4,202,860.80 × 1,845,313.40
  4. Step 4: Simplify right side
    2,801,907.20x = 7,755,595,352,574.72
  5. Step 5: Solve for x
    x = 7,755,595,352,574.72/2,801,907.20
  6. Step 6: Final answer
    x = 2,767,970.10

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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.