Home / 2,155,588.60-3,229,883.70-1,355,438.20

Finding the Fourth Proportional to 2,155,588.60, 3,229,883.70 and 1,355,438.20

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Solution

The fourth proportional to 2,155,588.60, 3,229,883.70 and 1,355,438.20 is: 2,030,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,588.60 : 3,229,883.70 = 1,355,438.20 : x
  2. Step 2: Convert to fraction form
    2,155,588.60/3,229,883.70 = 1,355,438.20/x
  3. Step 3: Cross multiply
    2,155,588.60x = 3,229,883.70 × 1,355,438.20
  4. Step 4: Simplify right side
    2,155,588.60x = 4,377,907,748,537.34
  5. Step 5: Solve for x
    x = 4,377,907,748,537.34/2,155,588.60
  6. Step 6: Final answer
    x = 2,030,957.00

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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.