Home / 3,936,280.40-5,905,457.40-1,411,672.40

Finding the Fourth Proportional to 3,936,280.40, 5,905,457.40 and 1,411,672.40

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Solution

The fourth proportional to 3,936,280.40, 5,905,457.40 and 1,411,672.40 is: 2,117,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,280.40 : 5,905,457.40 = 1,411,672.40 : x
  2. Step 2: Convert to fraction form
    3,936,280.40/5,905,457.40 = 1,411,672.40/x
  3. Step 3: Cross multiply
    3,936,280.40x = 5,905,457.40 × 1,411,672.40
  4. Step 4: Simplify right side
    3,936,280.40x = 8,336,571,220,955.76
  5. Step 5: Solve for x
    x = 8,336,571,220,955.76/3,936,280.40
  6. Step 6: Final answer
    x = 2,117,880.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.