Home / 6,143,128.80-9,214,693.20-1,655,404.80

Finding the Fourth Proportional to 6,143,128.80, 9,214,693.20 and 1,655,404.80

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Solution

The fourth proportional to 6,143,128.80, 9,214,693.20 and 1,655,404.80 is: 2,483,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,128.80 : 9,214,693.20 = 1,655,404.80 : x
  2. Step 2: Convert to fraction form
    6,143,128.80/9,214,693.20 = 1,655,404.80/x
  3. Step 3: Cross multiply
    6,143,128.80x = 9,214,693.20 × 1,655,404.80
  4. Step 4: Simplify right side
    6,143,128.80x = 15,254,047,353,807.36
  5. Step 5: Solve for x
    x = 15,254,047,353,807.36/6,143,128.80
  6. Step 6: Final answer
    x = 2,483,107.20

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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.