Home / 4,788,215.36-7,181,094.24-1,421,641.28

Finding the Fourth Proportional to 4,788,215.36, 7,181,094.24 and 1,421,641.28

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Solution

The fourth proportional to 4,788,215.36, 7,181,094.24 and 1,421,641.28 is: 2,132,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,215.36 : 7,181,094.24 = 1,421,641.28 : x
  2. Step 2: Convert to fraction form
    4,788,215.36/7,181,094.24 = 1,421,641.28/x
  3. Step 3: Cross multiply
    4,788,215.36x = 7,181,094.24 × 1,421,641.28
  4. Step 4: Simplify right side
    4,788,215.36x = 10,208,940,007,154.23
  5. Step 5: Solve for x
    x = 10,208,940,007,154.23/4,788,215.36
  6. Step 6: Final answer
    x = 2,132,097.08

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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.