Home / 4,950,111.52-7,420,875.84-1,915,389.28

Finding the Fourth Proportional to 4,950,111.52, 7,420,875.84 and 1,915,389.28

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Solution

The fourth proportional to 4,950,111.52, 7,420,875.84 and 1,915,389.28 is: 2,871,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950,111.52 : 7,420,875.84 = 1,915,389.28 : x
  2. Step 2: Convert to fraction form
    4,950,111.52/7,420,875.84 = 1,915,389.28/x
  3. Step 3: Cross multiply
    4,950,111.52x = 7,420,875.84 × 1,915,389.28
  4. Step 4: Simplify right side
    4,950,111.52x = 14,213,866,032,147.00
  5. Step 5: Solve for x
    x = 14,213,866,032,147.00/4,950,111.52
  6. Step 6: Final answer
    x = 2,871,423.40

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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.