Home / 1,886,428.50-2,603,121.87-1,070,632.14

Finding the Fourth Proportional to 1,886,428.50, 2,603,121.87 and 1,070,632.14

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Solution

The fourth proportional to 1,886,428.50, 2,603,121.87 and 1,070,632.14 is: 1,477,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,428.50 : 2,603,121.87 = 1,070,632.14 : x
  2. Step 2: Convert to fraction form
    1,886,428.50/2,603,121.87 = 1,070,632.14/x
  3. Step 3: Cross multiply
    1,886,428.50x = 2,603,121.87 × 1,070,632.14
  4. Step 4: Simplify right side
    1,886,428.50x = 2,786,985,938,358.90
  5. Step 5: Solve for x
    x = 2,786,985,938,358.90/1,886,428.50
  6. Step 6: Final answer
    x = 1,477,387.53

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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.