Home / 1,500,179.81-2,070,025.48-911,172.95

Finding the Fourth Proportional to 1,500,179.81, 2,070,025.48 and 911,172.95

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Solution

The fourth proportional to 1,500,179.81, 2,070,025.48 and 911,172.95 is: 1,257,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,179.81 : 2,070,025.48 = 911,172.95 : x
  2. Step 2: Convert to fraction form
    1,500,179.81/2,070,025.48 = 911,172.95/x
  3. Step 3: Cross multiply
    1,500,179.81x = 2,070,025.48 × 911,172.95
  4. Step 4: Simplify right side
    1,500,179.81x = 1,886,151,223,186.77
  5. Step 5: Solve for x
    x = 1,886,151,223,186.77/1,500,179.81
  6. Step 6: Final answer
    x = 1,257,283.43

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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.