Home / 2,885,968.58-3,980,901.39-1,905,916.64

Finding the Fourth Proportional to 2,885,968.58, 3,980,901.39 and 1,905,916.64

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Solution

The fourth proportional to 2,885,968.58, 3,980,901.39 and 1,905,916.64 is: 2,629,018.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,968.58 : 3,980,901.39 = 1,905,916.64 : x
  2. Step 2: Convert to fraction form
    2,885,968.58/3,980,901.39 = 1,905,916.64/x
  3. Step 3: Cross multiply
    2,885,968.58x = 3,980,901.39 × 1,905,916.64
  4. Step 4: Simplify right side
    2,885,968.58x = 7,587,266,196,424.00
  5. Step 5: Solve for x
    x = 7,587,266,196,424.00/2,885,968.58
  6. Step 6: Final answer
    x = 2,629,018.99

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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.