Home / 2,121,600.12-2,927,880-1,154,765.52

Finding the Fourth Proportional to 2,121,600.12, 2,927,880 and 1,154,765.52

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Solution

The fourth proportional to 2,121,600.12, 2,927,880 and 1,154,765.52 is: 1,593,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,600.12 : 2,927,880 = 1,154,765.52 : x
  2. Step 2: Convert to fraction form
    2,121,600.12/2,927,880 = 1,154,765.52/x
  3. Step 3: Cross multiply
    2,121,600.12x = 2,927,880 × 1,154,765.52
  4. Step 4: Simplify right side
    2,121,600.12x = 3,381,014,870,697.60
  5. Step 5: Solve for x
    x = 3,381,014,870,697.60/2,121,600.12
  6. Step 6: Final answer
    x = 1,593,615.52

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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.