Home / 1,870,786.40-2,581,692.36-1,043,894.84

Finding the Fourth Proportional to 1,870,786.40, 2,581,692.36 and 1,043,894.84

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Solution

The fourth proportional to 1,870,786.40, 2,581,692.36 and 1,043,894.84 is: 1,440,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,786.40 : 2,581,692.36 = 1,043,894.84 : x
  2. Step 2: Convert to fraction form
    1,870,786.40/2,581,692.36 = 1,043,894.84/x
  3. Step 3: Cross multiply
    1,870,786.40x = 2,581,692.36 × 1,043,894.84
  4. Step 4: Simplify right side
    1,870,786.40x = 2,695,015,333,071.42
  5. Step 5: Solve for x
    x = 2,695,015,333,071.42/1,870,786.40
  6. Step 6: Final answer
    x = 1,440,578.86

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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.