Home / 2,788,970.82-4,185,225.84-1,191,546

Finding the Fourth Proportional to 2,788,970.82, 4,185,225.84 and 1,191,546

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Solution

The fourth proportional to 2,788,970.82, 4,185,225.84 and 1,191,546 is: 1,788,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,970.82 : 4,185,225.84 = 1,191,546 : x
  2. Step 2: Convert to fraction form
    2,788,970.82/4,185,225.84 = 1,191,546/x
  3. Step 3: Cross multiply
    2,788,970.82x = 4,185,225.84 × 1,191,546
  4. Step 4: Simplify right side
    2,788,970.82x = 4,986,889,108,748.64
  5. Step 5: Solve for x
    x = 4,986,889,108,748.64/2,788,970.82
  6. Step 6: Final answer
    x = 1,788,075.04

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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.