Home / 4,210,910.40-6,312,218.40-2,081,323.20

Finding the Fourth Proportional to 4,210,910.40, 6,312,218.40 and 2,081,323.20

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Solution

The fourth proportional to 4,210,910.40, 6,312,218.40 and 2,081,323.20 is: 3,119,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,910.40 : 6,312,218.40 = 2,081,323.20 : x
  2. Step 2: Convert to fraction form
    4,210,910.40/6,312,218.40 = 2,081,323.20/x
  3. Step 3: Cross multiply
    4,210,910.40x = 6,312,218.40 × 2,081,323.20
  4. Step 4: Simplify right side
    4,210,910.40x = 13,137,766,599,386.88
  5. Step 5: Solve for x
    x = 13,137,766,599,386.88/4,210,910.40
  6. Step 6: Final answer
    x = 3,119,934.97

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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.