Home / 1,885,165.36-2,602,099.56-1,281,903.28

Finding the Fourth Proportional to 1,885,165.36, 2,602,099.56 and 1,281,903.28

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Solution

The fourth proportional to 1,885,165.36, 2,602,099.56 and 1,281,903.28 is: 1,769,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,165.36 : 2,602,099.56 = 1,281,903.28 : x
  2. Step 2: Convert to fraction form
    1,885,165.36/2,602,099.56 = 1,281,903.28/x
  3. Step 3: Cross multiply
    1,885,165.36x = 2,602,099.56 × 1,281,903.28
  4. Step 4: Simplify right side
    1,885,165.36x = 3,335,639,960,850.56
  5. Step 5: Solve for x
    x = 3,335,639,960,850.56/1,885,165.36
  6. Step 6: Final answer
    x = 1,769,415.05

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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.