Home / 3,778,661.65-5,666,556.06-1,219,492.98

Finding the Fourth Proportional to 3,778,661.65, 5,666,556.06 and 1,219,492.98

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Solution

The fourth proportional to 3,778,661.65, 5,666,556.06 and 1,219,492.98 is: 1,828,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,661.65 : 5,666,556.06 = 1,219,492.98 : x
  2. Step 2: Convert to fraction form
    3,778,661.65/5,666,556.06 = 1,219,492.98/x
  3. Step 3: Cross multiply
    3,778,661.65x = 5,666,556.06 × 1,219,492.98
  4. Step 4: Simplify right side
    3,778,661.65x = 6,910,325,335,946.46
  5. Step 5: Solve for x
    x = 6,910,325,335,946.46/3,778,661.65
  6. Step 6: Final answer
    x = 1,828,775.89

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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.