Home / 1,384,145.70-2,076,218.55-1,356,152.10

Finding the Fourth Proportional to 1,384,145.70, 2,076,218.55 and 1,356,152.10

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Solution

The fourth proportional to 1,384,145.70, 2,076,218.55 and 1,356,152.10 is: 2,034,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,145.70 : 2,076,218.55 = 1,356,152.10 : x
  2. Step 2: Convert to fraction form
    1,384,145.70/2,076,218.55 = 1,356,152.10/x
  3. Step 3: Cross multiply
    1,384,145.70x = 2,076,218.55 × 1,356,152.10
  4. Step 4: Simplify right side
    1,384,145.70x = 2,815,668,146,641.46
  5. Step 5: Solve for x
    x = 2,815,668,146,641.46/1,384,145.70
  6. Step 6: Final answer
    x = 2,034,228.15

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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.