Home / 1,878,860.90-2,818,799.83-1,339,798.26

Finding the Fourth Proportional to 1,878,860.90, 2,818,799.83 and 1,339,798.26

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Solution

The fourth proportional to 1,878,860.90, 2,818,799.83 and 1,339,798.26 is: 2,010,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,860.90 : 2,818,799.83 = 1,339,798.26 : x
  2. Step 2: Convert to fraction form
    1,878,860.90/2,818,799.83 = 1,339,798.26/x
  3. Step 3: Cross multiply
    1,878,860.90x = 2,818,799.83 × 1,339,798.26
  4. Step 4: Simplify right side
    1,878,860.90x = 3,776,623,107,522.30
  5. Step 5: Solve for x
    x = 3,776,623,107,522.30/1,878,860.90
  6. Step 6: Final answer
    x = 2,010,059.98

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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.