Home / 2,119,374.86-2,924,814.08-1,214,131.82

Finding the Fourth Proportional to 2,119,374.86, 2,924,814.08 and 1,214,131.82

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Solution

The fourth proportional to 2,119,374.86, 2,924,814.08 and 1,214,131.82 is: 1,675,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,374.86 : 2,924,814.08 = 1,214,131.82 : x
  2. Step 2: Convert to fraction form
    2,119,374.86/2,924,814.08 = 1,214,131.82/x
  3. Step 3: Cross multiply
    2,119,374.86x = 2,924,814.08 × 1,214,131.82
  4. Step 4: Simplify right side
    2,119,374.86x = 3,551,109,830,523.28
  5. Step 5: Solve for x
    x = 3,551,109,830,523.28/2,119,374.86
  6. Step 6: Final answer
    x = 1,675,545.89

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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.