Home / 5,347,434.32-7,379,409.16-2,900,099.40

Finding the Fourth Proportional to 5,347,434.32, 7,379,409.16 and 2,900,099.40

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Solution

The fourth proportional to 5,347,434.32, 7,379,409.16 and 2,900,099.40 is: 4,002,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,434.32 : 7,379,409.16 = 2,900,099.40 : x
  2. Step 2: Convert to fraction form
    5,347,434.32/7,379,409.16 = 2,900,099.40/x
  3. Step 3: Cross multiply
    5,347,434.32x = 7,379,409.16 × 2,900,099.40
  4. Step 4: Simplify right side
    5,347,434.32x = 21,401,020,077,270.50
  5. Step 5: Solve for x
    x = 21,401,020,077,270.50/5,347,434.32
  6. Step 6: Final answer
    x = 4,002,109.95

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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.