Home / 1,630,270.80-2,445,406.20-1,210,366.80

Finding the Fourth Proportional to 1,630,270.80, 2,445,406.20 and 1,210,366.80

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Solution

The fourth proportional to 1,630,270.80, 2,445,406.20 and 1,210,366.80 is: 1,815,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,270.80 : 2,445,406.20 = 1,210,366.80 : x
  2. Step 2: Convert to fraction form
    1,630,270.80/2,445,406.20 = 1,210,366.80/x
  3. Step 3: Cross multiply
    1,630,270.80x = 2,445,406.20 × 1,210,366.80
  4. Step 4: Simplify right side
    1,630,270.80x = 2,959,838,476,994.16
  5. Step 5: Solve for x
    x = 2,959,838,476,994.16/1,630,270.80
  6. Step 6: Final answer
    x = 1,815,550.20

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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.