Home / 1,638,200.10-2,455,550.55-626,931.30

Finding the Fourth Proportional to 1,638,200.10, 2,455,550.55 and 626,931.30

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Solution

The fourth proportional to 1,638,200.10, 2,455,550.55 and 626,931.30 is: 939,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,200.10 : 2,455,550.55 = 626,931.30 : x
  2. Step 2: Convert to fraction form
    1,638,200.10/2,455,550.55 = 626,931.30/x
  3. Step 3: Cross multiply
    1,638,200.10x = 2,455,550.55 × 626,931.30
  4. Step 4: Simplify right side
    1,638,200.10x = 1,539,461,498,527.22
  5. Step 5: Solve for x
    x = 1,539,461,498,527.22/1,638,200.10
  6. Step 6: Final answer
    x = 939,727.39

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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.