Home / 1,665,689.56-2,499,529.74-1,530,172.11

Finding the Fourth Proportional to 1,665,689.56, 2,499,529.74 and 1,530,172.11

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Solution

The fourth proportional to 1,665,689.56, 2,499,529.74 and 1,530,172.11 is: 2,296,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,689.56 : 2,499,529.74 = 1,530,172.11 : x
  2. Step 2: Convert to fraction form
    1,665,689.56/2,499,529.74 = 1,530,172.11/x
  3. Step 3: Cross multiply
    1,665,689.56x = 2,499,529.74 × 1,530,172.11
  4. Step 4: Simplify right side
    1,665,689.56x = 3,824,710,696,263.55
  5. Step 5: Solve for x
    x = 3,824,710,696,263.55/1,665,689.56
  6. Step 6: Final answer
    x = 2,296,172.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.