Home / 2,986,455.40-4,480,339.20-964,355.20

Finding the Fourth Proportional to 2,986,455.40, 4,480,339.20 and 964,355.20

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Solution

The fourth proportional to 2,986,455.40, 4,480,339.20 and 964,355.20 is: 1,446,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,455.40 : 4,480,339.20 = 964,355.20 : x
  2. Step 2: Convert to fraction form
    2,986,455.40/4,480,339.20 = 964,355.20/x
  3. Step 3: Cross multiply
    2,986,455.40x = 4,480,339.20 × 964,355.20
  4. Step 4: Simplify right side
    2,986,455.40x = 4,320,638,405,283.84
  5. Step 5: Solve for x
    x = 4,320,638,405,283.84/2,986,455.40
  6. Step 6: Final answer
    x = 1,446,744.66

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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.