Home / 5,184,644.16-7,776,967.05-1,398,127.44

Finding the Fourth Proportional to 5,184,644.16, 7,776,967.05 and 1,398,127.44

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Solution

The fourth proportional to 5,184,644.16, 7,776,967.05 and 1,398,127.44 is: 2,097,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,644.16 : 7,776,967.05 = 1,398,127.44 : x
  2. Step 2: Convert to fraction form
    5,184,644.16/7,776,967.05 = 1,398,127.44/x
  3. Step 3: Cross multiply
    5,184,644.16x = 7,776,967.05 × 1,398,127.44
  4. Step 4: Simplify right side
    5,184,644.16x = 10,873,191,032,580.85
  5. Step 5: Solve for x
    x = 10,873,191,032,580.85/5,184,644.16
  6. Step 6: Final answer
    x = 2,097,191.38

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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.