Home / 2,166,495.76-2,989,795.62-1,199,624.20

Finding the Fourth Proportional to 2,166,495.76, 2,989,795.62 and 1,199,624.20

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Solution

The fourth proportional to 2,166,495.76, 2,989,795.62 and 1,199,624.20 is: 1,655,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,495.76 : 2,989,795.62 = 1,199,624.20 : x
  2. Step 2: Convert to fraction form
    2,166,495.76/2,989,795.62 = 1,199,624.20/x
  3. Step 3: Cross multiply
    2,166,495.76x = 2,989,795.62 × 1,199,624.20
  4. Step 4: Simplify right side
    2,166,495.76x = 3,586,631,178,806.00
  5. Step 5: Solve for x
    x = 3,586,631,178,806.00/2,166,495.76
  6. Step 6: Final answer
    x = 1,655,498.82

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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.