Home / 2,128,624.40-3,193,973.40-1,623,011.60

Finding the Fourth Proportional to 2,128,624.40, 3,193,973.40 and 1,623,011.60

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Solution

The fourth proportional to 2,128,624.40, 3,193,973.40 and 1,623,011.60 is: 2,435,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,624.40 : 3,193,973.40 = 1,623,011.60 : x
  2. Step 2: Convert to fraction form
    2,128,624.40/3,193,973.40 = 1,623,011.60/x
  3. Step 3: Cross multiply
    2,128,624.40x = 3,193,973.40 × 1,623,011.60
  4. Step 4: Simplify right side
    2,128,624.40x = 5,183,855,878,291.44
  5. Step 5: Solve for x
    x = 5,183,855,878,291.44/2,128,624.40
  6. Step 6: Final answer
    x = 2,435,307.93

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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.