Home / 1,895,875.20-2,616,338.88-1,131,995.52

Finding the Fourth Proportional to 1,895,875.20, 2,616,338.88 and 1,131,995.52

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Solution

The fourth proportional to 1,895,875.20, 2,616,338.88 and 1,131,995.52 is: 1,562,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,875.20 : 2,616,338.88 = 1,131,995.52 : x
  2. Step 2: Convert to fraction form
    1,895,875.20/2,616,338.88 = 1,131,995.52/x
  3. Step 3: Cross multiply
    1,895,875.20x = 2,616,338.88 × 1,131,995.52
  4. Step 4: Simplify right side
    1,895,875.20x = 2,961,683,890,961.82
  5. Step 5: Solve for x
    x = 2,961,683,890,961.82/1,895,875.20
  6. Step 6: Final answer
    x = 1,562,172.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.