Home / 5,308,965.36-7,963,476.48-1,319,877.36

Finding the Fourth Proportional to 5,308,965.36, 7,963,476.48 and 1,319,877.36

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Solution

The fourth proportional to 5,308,965.36, 7,963,476.48 and 1,319,877.36 is: 1,979,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,965.36 : 7,963,476.48 = 1,319,877.36 : x
  2. Step 2: Convert to fraction form
    5,308,965.36/7,963,476.48 = 1,319,877.36/x
  3. Step 3: Cross multiply
    5,308,965.36x = 7,963,476.48 × 1,319,877.36
  4. Step 4: Simplify right side
    5,308,965.36x = 10,510,812,312,844.49
  5. Step 5: Solve for x
    x = 10,510,812,312,844.49/5,308,965.36
  6. Step 6: Final answer
    x = 1,979,823.11

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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.