Home / 5,666,664.72-7,820,208.27-3,219,690.63

Finding the Fourth Proportional to 5,666,664.72, 7,820,208.27 and 3,219,690.63

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Solution

The fourth proportional to 5,666,664.72, 7,820,208.27 and 3,219,690.63 is: 4,443,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,664.72 : 7,820,208.27 = 3,219,690.63 : x
  2. Step 2: Convert to fraction form
    5,666,664.72/7,820,208.27 = 3,219,690.63/x
  3. Step 3: Cross multiply
    5,666,664.72x = 7,820,208.27 × 3,219,690.63
  4. Step 4: Simplify right side
    5,666,664.72x = 25,178,651,291,567.51
  5. Step 5: Solve for x
    x = 25,178,651,291,567.51/5,666,664.72
  6. Step 6: Final answer
    x = 4,443,292.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.