Home / 3,211,529.40-4,817,294.10-1,319,628.60

Finding the Fourth Proportional to 3,211,529.40, 4,817,294.10 and 1,319,628.60

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Solution

The fourth proportional to 3,211,529.40, 4,817,294.10 and 1,319,628.60 is: 1,979,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,529.40 : 4,817,294.10 = 1,319,628.60 : x
  2. Step 2: Convert to fraction form
    3,211,529.40/4,817,294.10 = 1,319,628.60/x
  3. Step 3: Cross multiply
    3,211,529.40x = 4,817,294.10 × 1,319,628.60
  4. Step 4: Simplify right side
    3,211,529.40x = 6,357,039,068,971.26
  5. Step 5: Solve for x
    x = 6,357,039,068,971.26/3,211,529.40
  6. Step 6: Final answer
    x = 1,979,442.90

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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.