Home / 4,788,209.36-7,181,085.24-1,421,635.28

Finding the Fourth Proportional to 4,788,209.36, 7,181,085.24 and 1,421,635.28

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Solution

The fourth proportional to 4,788,209.36, 7,181,085.24 and 1,421,635.28 is: 2,132,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,209.36 : 7,181,085.24 = 1,421,635.28 : x
  2. Step 2: Convert to fraction form
    4,788,209.36/7,181,085.24 = 1,421,635.28/x
  3. Step 3: Cross multiply
    4,788,209.36x = 7,181,085.24 × 1,421,635.28
  4. Step 4: Simplify right side
    4,788,209.36x = 10,208,884,125,871.27
  5. Step 5: Solve for x
    x = 10,208,884,125,871.27/4,788,209.36
  6. Step 6: Final answer
    x = 2,132,088.09

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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.