Home / 5,346,723.78-8,021,084.09-2,429,021.51

Finding the Fourth Proportional to 5,346,723.78, 8,021,084.09 and 2,429,021.51

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Solution

The fourth proportional to 5,346,723.78, 8,021,084.09 and 2,429,021.51 is: 3,643,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,723.78 : 8,021,084.09 = 2,429,021.51 : x
  2. Step 2: Convert to fraction form
    5,346,723.78/8,021,084.09 = 2,429,021.51/x
  3. Step 3: Cross multiply
    5,346,723.78x = 8,021,084.09 × 2,429,021.51
  4. Step 4: Simplify right side
    5,346,723.78x = 19,483,385,788,128.77
  5. Step 5: Solve for x
    x = 19,483,385,788,128.77/5,346,723.78
  6. Step 6: Final answer
    x = 3,643,985.85

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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.