Home / 1,603,769.28-2,208,152.16-1,361,572.80

Finding the Fourth Proportional to 1,603,769.28, 2,208,152.16 and 1,361,572.80

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Solution

The fourth proportional to 1,603,769.28, 2,208,152.16 and 1,361,572.80 is: 1,874,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,769.28 : 2,208,152.16 = 1,361,572.80 : x
  2. Step 2: Convert to fraction form
    1,603,769.28/2,208,152.16 = 1,361,572.80/x
  3. Step 3: Cross multiply
    1,603,769.28x = 2,208,152.16 × 1,361,572.80
  4. Step 4: Simplify right side
    1,603,769.28x = 3,006,559,919,317.25
  5. Step 5: Solve for x
    x = 3,006,559,919,317.25/1,603,769.28
  6. Step 6: Final answer
    x = 1,874,683.57

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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.