Home / 2,868,269.31-3,958,061.40-1,578,857.85

Finding the Fourth Proportional to 2,868,269.31, 3,958,061.40 and 1,578,857.85

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Solution

The fourth proportional to 2,868,269.31, 3,958,061.40 and 1,578,857.85 is: 2,178,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,269.31 : 3,958,061.40 = 1,578,857.85 : x
  2. Step 2: Convert to fraction form
    2,868,269.31/3,958,061.40 = 1,578,857.85/x
  3. Step 3: Cross multiply
    2,868,269.31x = 3,958,061.40 × 1,578,857.85
  4. Step 4: Simplify right side
    2,868,269.31x = 6,249,216,312,171.99
  5. Step 5: Solve for x
    x = 6,249,216,312,171.99/2,868,269.31
  6. Step 6: Final answer
    x = 2,178,741.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.