Home / 1,787,558.40-2,466,008.64-1,583,817.12

Finding the Fourth Proportional to 1,787,558.40, 2,466,008.64 and 1,583,817.12

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Solution

The fourth proportional to 1,787,558.40, 2,466,008.64 and 1,583,817.12 is: 2,184,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,558.40 : 2,466,008.64 = 1,583,817.12 : x
  2. Step 2: Convert to fraction form
    1,787,558.40/2,466,008.64 = 1,583,817.12/x
  3. Step 3: Cross multiply
    1,787,558.40x = 2,466,008.64 × 1,583,817.12
  4. Step 4: Simplify right side
    1,787,558.40x = 3,905,706,702,099.92
  5. Step 5: Solve for x
    x = 3,905,706,702,099.92/1,787,558.40
  6. Step 6: Final answer
    x = 2,184,939.36

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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.