Home / 3,140,632.36-4,710,848.06-1,319,961.88

Finding the Fourth Proportional to 3,140,632.36, 4,710,848.06 and 1,319,961.88

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Solution

The fourth proportional to 3,140,632.36, 4,710,848.06 and 1,319,961.88 is: 1,979,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,632.36 : 4,710,848.06 = 1,319,961.88 : x
  2. Step 2: Convert to fraction form
    3,140,632.36/4,710,848.06 = 1,319,961.88/x
  3. Step 3: Cross multiply
    3,140,632.36x = 4,710,848.06 × 1,319,961.88
  4. Step 4: Simplify right side
    3,140,632.36x = 6,218,139,861,671.95
  5. Step 5: Solve for x
    x = 6,218,139,861,671.95/3,140,632.36
  6. Step 6: Final answer
    x = 1,979,900.59

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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.