Home / 6,421,141.98-9,631,888.29-1,872,080.84

Finding the Fourth Proportional to 6,421,141.98, 9,631,888.29 and 1,872,080.84

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Solution

The fourth proportional to 6,421,141.98, 9,631,888.29 and 1,872,080.84 is: 2,808,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,141.98 : 9,631,888.29 = 1,872,080.84 : x
  2. Step 2: Convert to fraction form
    6,421,141.98/9,631,888.29 = 1,872,080.84/x
  3. Step 3: Cross multiply
    6,421,141.98x = 9,631,888.29 × 1,872,080.84
  4. Step 4: Simplify right side
    6,421,141.98x = 18,031,673,472,569.92
  5. Step 5: Solve for x
    x = 18,031,673,472,569.92/6,421,141.98
  6. Step 6: Final answer
    x = 2,808,172.37

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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.