Home / 1,982,880.40-2,974,330.87-902,637.50

Finding the Fourth Proportional to 1,982,880.40, 2,974,330.87 and 902,637.50

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Solution

The fourth proportional to 1,982,880.40, 2,974,330.87 and 902,637.50 is: 1,353,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,880.40 : 2,974,330.87 = 902,637.50 : x
  2. Step 2: Convert to fraction form
    1,982,880.40/2,974,330.87 = 902,637.50/x
  3. Step 3: Cross multiply
    1,982,880.40x = 2,974,330.87 × 902,637.50
  4. Step 4: Simplify right side
    1,982,880.40x = 2,684,742,576,156.44
  5. Step 5: Solve for x
    x = 2,684,742,576,156.44/1,982,880.40
  6. Step 6: Final answer
    x = 1,353,960.92

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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.