Home / 5,188,812.76-7,160,018.38-3,012,931.72

Finding the Fourth Proportional to 5,188,812.76, 7,160,018.38 and 3,012,931.72

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Solution

The fourth proportional to 5,188,812.76, 7,160,018.38 and 3,012,931.72 is: 4,157,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,812.76 : 7,160,018.38 = 3,012,931.72 : x
  2. Step 2: Convert to fraction form
    5,188,812.76/7,160,018.38 = 3,012,931.72/x
  3. Step 3: Cross multiply
    5,188,812.76x = 7,160,018.38 × 3,012,931.72
  4. Step 4: Simplify right side
    5,188,812.76x = 21,572,646,492,885.02
  5. Step 5: Solve for x
    x = 21,572,646,492,885.02/5,188,812.76
  6. Step 6: Final answer
    x = 4,157,530.34

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1.5x scale

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.