Home / 2,117,667.80-3,176,501.70-1,977,699.80

Finding the Fourth Proportional to 2,117,667.80, 3,176,501.70 and 1,977,699.80

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Solution

The fourth proportional to 2,117,667.80, 3,176,501.70 and 1,977,699.80 is: 2,966,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,667.80 : 3,176,501.70 = 1,977,699.80 : x
  2. Step 2: Convert to fraction form
    2,117,667.80/3,176,501.70 = 1,977,699.80/x
  3. Step 3: Cross multiply
    2,117,667.80x = 3,176,501.70 × 1,977,699.80
  4. Step 4: Simplify right side
    2,117,667.80x = 6,282,166,776,789.66
  5. Step 5: Solve for x
    x = 6,282,166,776,789.66/2,117,667.80
  6. Step 6: Final answer
    x = 2,966,549.70

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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.