Home / 2,159,667.90-2,980,672.83-1,333,222.74

Finding the Fourth Proportional to 2,159,667.90, 2,980,672.83 and 1,333,222.74

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Solution

The fourth proportional to 2,159,667.90, 2,980,672.83 and 1,333,222.74 is: 1,840,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,667.90 : 2,980,672.83 = 1,333,222.74 : x
  2. Step 2: Convert to fraction form
    2,159,667.90/2,980,672.83 = 1,333,222.74/x
  3. Step 3: Cross multiply
    2,159,667.90x = 2,980,672.83 × 1,333,222.74
  4. Step 4: Simplify right side
    2,159,667.90x = 3,973,900,797,456.15
  5. Step 5: Solve for x
    x = 3,973,900,797,456.15/2,159,667.90
  6. Step 6: Final answer
    x = 1,840,051.80

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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.