Home / 4,243,980.64-6,366,182.40-1,211,796.32

Finding the Fourth Proportional to 4,243,980.64, 6,366,182.40 and 1,211,796.32

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Solution

The fourth proportional to 4,243,980.64, 6,366,182.40 and 1,211,796.32 is: 1,817,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243,980.64 : 6,366,182.40 = 1,211,796.32 : x
  2. Step 2: Convert to fraction form
    4,243,980.64/6,366,182.40 = 1,211,796.32/x
  3. Step 3: Cross multiply
    4,243,980.64x = 6,366,182.40 × 1,211,796.32
  4. Step 4: Simplify right side
    4,243,980.64x = 7,714,516,404,768.77
  5. Step 5: Solve for x
    x = 7,714,516,404,768.77/4,243,980.64
  6. Step 6: Final answer
    x = 1,817,754.85

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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.