Home / 2,010,663.20-3,015,994.80-1,211,533.40

Finding the Fourth Proportional to 2,010,663.20, 3,015,994.80 and 1,211,533.40

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Solution

The fourth proportional to 2,010,663.20, 3,015,994.80 and 1,211,533.40 is: 1,817,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,663.20 : 3,015,994.80 = 1,211,533.40 : x
  2. Step 2: Convert to fraction form
    2,010,663.20/3,015,994.80 = 1,211,533.40/x
  3. Step 3: Cross multiply
    2,010,663.20x = 3,015,994.80 × 1,211,533.40
  4. Step 4: Simplify right side
    2,010,663.20x = 3,653,978,434,426.32
  5. Step 5: Solve for x
    x = 3,653,978,434,426.32/2,010,663.20
  6. Step 6: Final answer
    x = 1,817,300.10

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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.