Home / 3,119,018-4,304,257.80-1,688,234

Finding the Fourth Proportional to 3,119,018, 4,304,257.80 and 1,688,234

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Solution

The fourth proportional to 3,119,018, 4,304,257.80 and 1,688,234 is: 2,329,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,018 : 4,304,257.80 = 1,688,234 : x
  2. Step 2: Convert to fraction form
    3,119,018/4,304,257.80 = 1,688,234/x
  3. Step 3: Cross multiply
    3,119,018x = 4,304,257.80 × 1,688,234
  4. Step 4: Simplify right side
    3,119,018x = 7,266,594,362,725.20
  5. Step 5: Solve for x
    x = 7,266,594,362,725.20/3,119,018
  6. Step 6: Final answer
    x = 2,329,769.93

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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.