Home / 1,943,125.80-2,914,688.70-1,868,476.20

Finding the Fourth Proportional to 1,943,125.80, 2,914,688.70 and 1,868,476.20

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Solution

The fourth proportional to 1,943,125.80, 2,914,688.70 and 1,868,476.20 is: 2,802,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,125.80 : 2,914,688.70 = 1,868,476.20 : x
  2. Step 2: Convert to fraction form
    1,943,125.80/2,914,688.70 = 1,868,476.20/x
  3. Step 3: Cross multiply
    1,943,125.80x = 2,914,688.70 × 1,868,476.20
  4. Step 4: Simplify right side
    1,943,125.80x = 5,446,026,466,358.94
  5. Step 5: Solve for x
    x = 5,446,026,466,358.94/1,943,125.80
  6. Step 6: Final answer
    x = 2,802,714.30

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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.