Home / 2,153,782.40-3,230,644.80-657,881.60

Finding the Fourth Proportional to 2,153,782.40, 3,230,644.80 and 657,881.60

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Solution

The fourth proportional to 2,153,782.40, 3,230,644.80 and 657,881.60 is: 986,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,782.40 : 3,230,644.80 = 657,881.60 : x
  2. Step 2: Convert to fraction form
    2,153,782.40/3,230,644.80 = 657,881.60/x
  3. Step 3: Cross multiply
    2,153,782.40x = 3,230,644.80 × 657,881.60
  4. Step 4: Simplify right side
    2,153,782.40x = 2,125,381,770,055.68
  5. Step 5: Solve for x
    x = 2,125,381,770,055.68/2,153,782.40
  6. Step 6: Final answer
    x = 986,813.60

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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.