Home / 1,686,077.10-2,529,115.65-1,615,218.30

Finding the Fourth Proportional to 1,686,077.10, 2,529,115.65 and 1,615,218.30

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Solution

The fourth proportional to 1,686,077.10, 2,529,115.65 and 1,615,218.30 is: 2,422,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,077.10 : 2,529,115.65 = 1,615,218.30 : x
  2. Step 2: Convert to fraction form
    1,686,077.10/2,529,115.65 = 1,615,218.30/x
  3. Step 3: Cross multiply
    1,686,077.10x = 2,529,115.65 × 1,615,218.30
  4. Step 4: Simplify right side
    1,686,077.10x = 4,085,073,880,696.40
  5. Step 5: Solve for x
    x = 4,085,073,880,696.40/1,686,077.10
  6. Step 6: Final answer
    x = 2,422,827.45

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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.