Home / 5,308,974-7,963,490.16-1,319,886

Finding the Fourth Proportional to 5,308,974, 7,963,490.16 and 1,319,886

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Solution

The fourth proportional to 5,308,974, 7,963,490.16 and 1,319,886 is: 1,979,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,974 : 7,963,490.16 = 1,319,886 : x
  2. Step 2: Convert to fraction form
    5,308,974/7,963,490.16 = 1,319,886/x
  3. Step 3: Cross multiply
    5,308,974x = 7,963,490.16 × 1,319,886
  4. Step 4: Simplify right side
    5,308,974x = 10,510,899,173,321.76
  5. Step 5: Solve for x
    x = 10,510,899,173,321.76/5,308,974
  6. Step 6: Final answer
    x = 1,979,836.25

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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.