Home / 1,868,298.30-2,578,732.59-1,216,551.06

Finding the Fourth Proportional to 1,868,298.30, 2,578,732.59 and 1,216,551.06

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Solution

The fourth proportional to 1,868,298.30, 2,578,732.59 and 1,216,551.06 is: 1,679,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,298.30 : 2,578,732.59 = 1,216,551.06 : x
  2. Step 2: Convert to fraction form
    1,868,298.30/2,578,732.59 = 1,216,551.06/x
  3. Step 3: Cross multiply
    1,868,298.30x = 2,578,732.59 × 1,216,551.06
  4. Step 4: Simplify right side
    1,868,298.30x = 3,137,159,865,821.05
  5. Step 5: Solve for x
    x = 3,137,159,865,821.05/1,868,298.30
  6. Step 6: Final answer
    x = 1,679,153.63

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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.