Home / 1,636,999.20-2,455,498.80-1,133,114.40

Finding the Fourth Proportional to 1,636,999.20, 2,455,498.80 and 1,133,114.40

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Solution

The fourth proportional to 1,636,999.20, 2,455,498.80 and 1,133,114.40 is: 1,699,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,999.20 : 2,455,498.80 = 1,133,114.40 : x
  2. Step 2: Convert to fraction form
    1,636,999.20/2,455,498.80 = 1,133,114.40/x
  3. Step 3: Cross multiply
    1,636,999.20x = 2,455,498.80 × 1,133,114.40
  4. Step 4: Simplify right side
    1,636,999.20x = 2,782,361,049,462.72
  5. Step 5: Solve for x
    x = 2,782,361,049,462.72/1,636,999.20
  6. Step 6: Final answer
    x = 1,699,671.60

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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.