Home / 2,123,878-3,186,278.30-776,038.52

Finding the Fourth Proportional to 2,123,878, 3,186,278.30 and 776,038.52

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Solution

The fourth proportional to 2,123,878, 3,186,278.30 and 776,038.52 is: 1,164,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,878 : 3,186,278.30 = 776,038.52 : x
  2. Step 2: Convert to fraction form
    2,123,878/3,186,278.30 = 776,038.52/x
  3. Step 3: Cross multiply
    2,123,878x = 3,186,278.30 × 776,038.52
  4. Step 4: Simplify right side
    2,123,878x = 2,472,674,696,240.12
  5. Step 5: Solve for x
    x = 2,472,674,696,240.12/2,123,878
  6. Step 6: Final answer
    x = 1,164,226.33

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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.