Home / 1,551,212.10-2,140,979.31-1,006,583.22

Finding the Fourth Proportional to 1,551,212.10, 2,140,979.31 and 1,006,583.22

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Solution

The fourth proportional to 1,551,212.10, 2,140,979.31 and 1,006,583.22 is: 1,389,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,212.10 : 2,140,979.31 = 1,006,583.22 : x
  2. Step 2: Convert to fraction form
    1,551,212.10/2,140,979.31 = 1,006,583.22/x
  3. Step 3: Cross multiply
    1,551,212.10x = 2,140,979.31 × 1,006,583.22
  4. Step 4: Simplify right side
    1,551,212.10x = 2,155,073,847,813.18
  5. Step 5: Solve for x
    x = 2,155,073,847,813.18/1,551,212.10
  6. Step 6: Final answer
    x = 1,389,283.80

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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.