Home / 2,818,888.29-3,890,068.37-1,529,728.68

Finding the Fourth Proportional to 2,818,888.29, 3,890,068.37 and 1,529,728.68

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Solution

The fourth proportional to 2,818,888.29, 3,890,068.37 and 1,529,728.68 is: 2,111,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,888.29 : 3,890,068.37 = 1,529,728.68 : x
  2. Step 2: Convert to fraction form
    2,818,888.29/3,890,068.37 = 1,529,728.68/x
  3. Step 3: Cross multiply
    2,818,888.29x = 3,890,068.37 × 1,529,728.68
  4. Step 4: Simplify right side
    2,818,888.29x = 5,950,749,133,299.51
  5. Step 5: Solve for x
    x = 5,950,749,133,299.51/2,818,888.29
  6. Step 6: Final answer
    x = 2,111,026.94

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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.