Home / 2,057,586.81-2,839,432.64-1,139,813.15

Finding the Fourth Proportional to 2,057,586.81, 2,839,432.64 and 1,139,813.15

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Solution

The fourth proportional to 2,057,586.81, 2,839,432.64 and 1,139,813.15 is: 1,572,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,586.81 : 2,839,432.64 = 1,139,813.15 : x
  2. Step 2: Convert to fraction form
    2,057,586.81/2,839,432.64 = 1,139,813.15/x
  3. Step 3: Cross multiply
    2,057,586.81x = 2,839,432.64 × 1,139,813.15
  4. Step 4: Simplify right side
    2,057,586.81x = 3,236,422,641,714.99
  5. Step 5: Solve for x
    x = 3,236,422,641,714.99/2,057,586.81
  6. Step 6: Final answer
    x = 1,572,921.55

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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.