Home / 1,980,923.84-2,973,082.44-1,966,013.36

Finding the Fourth Proportional to 1,980,923.84, 2,973,082.44 and 1,966,013.36

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Solution

The fourth proportional to 1,980,923.84, 2,973,082.44 and 1,966,013.36 is: 2,950,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,923.84 : 2,973,082.44 = 1,966,013.36 : x
  2. Step 2: Convert to fraction form
    1,980,923.84/2,973,082.44 = 1,966,013.36/x
  3. Step 3: Cross multiply
    1,980,923.84x = 2,973,082.44 × 1,966,013.36
  4. Step 4: Simplify right side
    1,980,923.84x = 5,845,119,797,421.40
  5. Step 5: Solve for x
    x = 5,845,119,797,421.40/1,980,923.84
  6. Step 6: Final answer
    x = 2,950,703.95

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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.