Home / 1,926,696.72-2,891,838.48-980,775.36

Finding the Fourth Proportional to 1,926,696.72, 2,891,838.48 and 980,775.36

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Solution

The fourth proportional to 1,926,696.72, 2,891,838.48 and 980,775.36 is: 1,472,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,696.72 : 2,891,838.48 = 980,775.36 : x
  2. Step 2: Convert to fraction form
    1,926,696.72/2,891,838.48 = 980,775.36/x
  3. Step 3: Cross multiply
    1,926,696.72x = 2,891,838.48 × 980,775.36
  4. Step 4: Simplify right side
    1,926,696.72x = 2,836,243,926,283.85
  5. Step 5: Solve for x
    x = 2,836,243,926,283.85/1,926,696.72
  6. Step 6: Final answer
    x = 1,472,075.96

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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.