Home / 1,809,968.10-2,712,619.35-1,387,148.10

Finding the Fourth Proportional to 1,809,968.10, 2,712,619.35 and 1,387,148.10

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Solution

The fourth proportional to 1,809,968.10, 2,712,619.35 and 1,387,148.10 is: 2,078,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,968.10 : 2,712,619.35 = 1,387,148.10 : x
  2. Step 2: Convert to fraction form
    1,809,968.10/2,712,619.35 = 1,387,148.10/x
  3. Step 3: Cross multiply
    1,809,968.10x = 2,712,619.35 × 1,387,148.10
  4. Step 4: Simplify right side
    1,809,968.10x = 3,762,804,777,375.74
  5. Step 5: Solve for x
    x = 3,762,804,777,375.74/1,809,968.10
  6. Step 6: Final answer
    x = 2,078,934.31

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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.