Home / 1,900,939.40-2,852,045.70-621,605.87

Finding the Fourth Proportional to 1,900,939.40, 2,852,045.70 and 621,605.87

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Solution

The fourth proportional to 1,900,939.40, 2,852,045.70 and 621,605.87 is: 932,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,939.40 : 2,852,045.70 = 621,605.87 : x
  2. Step 2: Convert to fraction form
    1,900,939.40/2,852,045.70 = 621,605.87/x
  3. Step 3: Cross multiply
    1,900,939.40x = 2,852,045.70 × 621,605.87
  4. Step 4: Simplify right side
    1,900,939.40x = 1,772,848,345,520.23
  5. Step 5: Solve for x
    x = 1,772,848,345,520.23/1,900,939.40
  6. Step 6: Final answer
    x = 932,616.97

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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.