Home / 2,129,483.90-2,938,729.34-1,162,616.66

Finding the Fourth Proportional to 2,129,483.90, 2,938,729.34 and 1,162,616.66

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Solution

The fourth proportional to 2,129,483.90, 2,938,729.34 and 1,162,616.66 is: 1,604,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,483.90 : 2,938,729.34 = 1,162,616.66 : x
  2. Step 2: Convert to fraction form
    2,129,483.90/2,938,729.34 = 1,162,616.66/x
  3. Step 3: Cross multiply
    2,129,483.90x = 2,938,729.34 × 1,162,616.66
  4. Step 4: Simplify right side
    2,129,483.90x = 3,416,615,689,914.80
  5. Step 5: Solve for x
    x = 3,416,615,689,914.80/2,129,483.90
  6. Step 6: Final answer
    x = 1,604,433.68

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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.