Home / 2,818,005.78-3,889,214.25-1,578,088.26

Finding the Fourth Proportional to 2,818,005.78, 3,889,214.25 and 1,578,088.26

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Solution

The fourth proportional to 2,818,005.78, 3,889,214.25 and 1,578,088.26 is: 2,177,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,005.78 : 3,889,214.25 = 1,578,088.26 : x
  2. Step 2: Convert to fraction form
    2,818,005.78/3,889,214.25 = 1,578,088.26/x
  3. Step 3: Cross multiply
    2,818,005.78x = 3,889,214.25 × 1,578,088.26
  4. Step 4: Simplify right side
    2,818,005.78x = 6,137,523,348,549.71
  5. Step 5: Solve for x
    x = 6,137,523,348,549.71/2,818,005.78
  6. Step 6: Final answer
    x = 2,177,966.91

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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.