Home / 1,868,371.84-2,803,442.28-1,111,708.72

Finding the Fourth Proportional to 1,868,371.84, 2,803,442.28 and 1,111,708.72

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Solution

The fourth proportional to 1,868,371.84, 2,803,442.28 and 1,111,708.72 is: 1,668,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,371.84 : 2,803,442.28 = 1,111,708.72 : x
  2. Step 2: Convert to fraction form
    1,868,371.84/2,803,442.28 = 1,111,708.72/x
  3. Step 3: Cross multiply
    1,868,371.84x = 2,803,442.28 × 1,111,708.72
  4. Step 4: Simplify right side
    1,868,371.84x = 3,116,611,228,692.68
  5. Step 5: Solve for x
    x = 3,116,611,228,692.68/1,868,371.84
  6. Step 6: Final answer
    x = 1,668,089.38

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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.