Home / 4,128,983.94-6,193,475.91-1,289,339.40

Finding the Fourth Proportional to 4,128,983.94, 6,193,475.91 and 1,289,339.40

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Solution

The fourth proportional to 4,128,983.94, 6,193,475.91 and 1,289,339.40 is: 1,934,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,983.94 : 6,193,475.91 = 1,289,339.40 : x
  2. Step 2: Convert to fraction form
    4,128,983.94/6,193,475.91 = 1,289,339.40/x
  3. Step 3: Cross multiply
    4,128,983.94x = 6,193,475.91 × 1,289,339.40
  4. Step 4: Simplify right side
    4,128,983.94x = 7,985,492,513,713.85
  5. Step 5: Solve for x
    x = 7,985,492,513,713.85/4,128,983.94
  6. Step 6: Final answer
    x = 1,934,009.10

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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.