Home / 4,658,321-6,428,581.44-2,621,130.50

Finding the Fourth Proportional to 4,658,321, 6,428,581.44 and 2,621,130.50

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Solution

The fourth proportional to 4,658,321, 6,428,581.44 and 2,621,130.50 is: 3,617,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658,321 : 6,428,581.44 = 2,621,130.50 : x
  2. Step 2: Convert to fraction form
    4,658,321/6,428,581.44 = 2,621,130.50/x
  3. Step 3: Cross multiply
    4,658,321x = 6,428,581.44 × 2,621,130.50
  4. Step 4: Simplify right side
    4,658,321x = 16,850,150,884,117.92
  5. Step 5: Solve for x
    x = 16,850,150,884,117.92/4,658,321
  6. Step 6: Final answer
    x = 3,617,215.49

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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.