Home / 1,890,017.91-2,834,140.23-691,101.81

Finding the Fourth Proportional to 1,890,017.91, 2,834,140.23 and 691,101.81

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Solution

The fourth proportional to 1,890,017.91, 2,834,140.23 and 691,101.81 is: 1,036,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,017.91 : 2,834,140.23 = 691,101.81 : x
  2. Step 2: Convert to fraction form
    1,890,017.91/2,834,140.23 = 691,101.81/x
  3. Step 3: Cross multiply
    1,890,017.91x = 2,834,140.23 × 691,101.81
  4. Step 4: Simplify right side
    1,890,017.91x = 1,958,679,442,746.82
  5. Step 5: Solve for x
    x = 1,958,679,442,746.82/1,890,017.91
  6. Step 6: Final answer
    x = 1,036,328.51

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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.