Home / 3,455,882.64-5,186,137.80-1,434,128.52

Finding the Fourth Proportional to 3,455,882.64, 5,186,137.80 and 1,434,128.52

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Solution

The fourth proportional to 3,455,882.64, 5,186,137.80 and 1,434,128.52 is: 2,152,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,882.64 : 5,186,137.80 = 1,434,128.52 : x
  2. Step 2: Convert to fraction form
    3,455,882.64/5,186,137.80 = 1,434,128.52/x
  3. Step 3: Cross multiply
    3,455,882.64x = 5,186,137.80 × 1,434,128.52
  4. Step 4: Simplify right side
    3,455,882.64x = 7,437,588,127,630.06
  5. Step 5: Solve for x
    x = 7,437,588,127,630.06/3,455,882.64
  6. Step 6: Final answer
    x = 2,152,152.98

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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.