Home / 1,657,980.30-2,486,970.45-1,629,986.70

Finding the Fourth Proportional to 1,657,980.30, 2,486,970.45 and 1,629,986.70

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Solution

The fourth proportional to 1,657,980.30, 2,486,970.45 and 1,629,986.70 is: 2,444,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,980.30 : 2,486,970.45 = 1,629,986.70 : x
  2. Step 2: Convert to fraction form
    1,657,980.30/2,486,970.45 = 1,629,986.70/x
  3. Step 3: Cross multiply
    1,657,980.30x = 2,486,970.45 × 1,629,986.70
  4. Step 4: Simplify right side
    1,657,980.30x = 4,053,728,756,793.02
  5. Step 5: Solve for x
    x = 4,053,728,756,793.02/1,657,980.30
  6. Step 6: Final answer
    x = 2,444,980.05

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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.