Home / 1,878,886.43-2,818,296.65-1,301,977.70

Finding the Fourth Proportional to 1,878,886.43, 2,818,296.65 and 1,301,977.70

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Solution

The fourth proportional to 1,878,886.43, 2,818,296.65 and 1,301,977.70 is: 1,952,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,886.43 : 2,818,296.65 = 1,301,977.70 : x
  2. Step 2: Convert to fraction form
    1,878,886.43/2,818,296.65 = 1,301,977.70/x
  3. Step 3: Cross multiply
    1,878,886.43x = 2,818,296.65 × 1,301,977.70
  4. Step 4: Simplify right side
    1,878,886.43x = 3,669,359,379,448.17
  5. Step 5: Solve for x
    x = 3,669,359,379,448.17/1,878,886.43
  6. Step 6: Final answer
    x = 1,952,943.69

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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.