Home / 3,137,846.52-4,709,291.70-1,621,973.40

Finding the Fourth Proportional to 3,137,846.52, 4,709,291.70 and 1,621,973.40

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Solution

The fourth proportional to 3,137,846.52, 4,709,291.70 and 1,621,973.40 is: 2,434,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,846.52 : 4,709,291.70 = 1,621,973.40 : x
  2. Step 2: Convert to fraction form
    3,137,846.52/4,709,291.70 = 1,621,973.40/x
  3. Step 3: Cross multiply
    3,137,846.52x = 4,709,291.70 × 1,621,973.40
  4. Step 4: Simplify right side
    3,137,846.52x = 7,638,345,870,240.78
  5. Step 5: Solve for x
    x = 7,638,345,870,240.78/3,137,846.52
  6. Step 6: Final answer
    x = 2,434,263.70

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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.