Home / 2,998,333.51-4,137,687.89-1,621,678.70

Finding the Fourth Proportional to 2,998,333.51, 4,137,687.89 and 1,621,678.70

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Solution

The fourth proportional to 2,998,333.51, 4,137,687.89 and 1,621,678.70 is: 2,237,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,333.51 : 4,137,687.89 = 1,621,678.70 : x
  2. Step 2: Convert to fraction form
    2,998,333.51/4,137,687.89 = 1,621,678.70/x
  3. Step 3: Cross multiply
    2,998,333.51x = 4,137,687.89 × 1,621,678.70
  4. Step 4: Simplify right side
    2,998,333.51x = 6,710,000,318,460.94
  5. Step 5: Solve for x
    x = 6,710,000,318,460.94/2,998,333.51
  6. Step 6: Final answer
    x = 2,237,909.92

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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.