Home / 1,535,984.40-2,120,455.41-1,122,056.37

Finding the Fourth Proportional to 1,535,984.40, 2,120,455.41 and 1,122,056.37

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Solution

The fourth proportional to 1,535,984.40, 2,120,455.41 and 1,122,056.37 is: 1,549,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,984.40 : 2,120,455.41 = 1,122,056.37 : x
  2. Step 2: Convert to fraction form
    1,535,984.40/2,120,455.41 = 1,122,056.37/x
  3. Step 3: Cross multiply
    1,535,984.40x = 2,120,455.41 × 1,122,056.37
  4. Step 4: Simplify right side
    1,535,984.40x = 2,379,270,500,091.46
  5. Step 5: Solve for x
    x = 2,379,270,500,091.46/1,535,984.40
  6. Step 6: Final answer
    x = 1,549,019.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.