Home / 1,621,499.88-2,237,636.88-896,378.16

Finding the Fourth Proportional to 1,621,499.88, 2,237,636.88 and 896,378.16

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Solution

The fourth proportional to 1,621,499.88, 2,237,636.88 and 896,378.16 is: 1,236,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,499.88 : 2,237,636.88 = 896,378.16 : x
  2. Step 2: Convert to fraction form
    1,621,499.88/2,237,636.88 = 896,378.16/x
  3. Step 3: Cross multiply
    1,621,499.88x = 2,237,636.88 × 896,378.16
  4. Step 4: Simplify right side
    1,621,499.88x = 2,005,768,829,242.54
  5. Step 5: Solve for x
    x = 2,005,768,829,242.54/1,621,499.88
  6. Step 6: Final answer
    x = 1,236,983.64

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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.