Home / 3,462,432.72-4,778,404.52-1,913,661.08

Finding the Fourth Proportional to 3,462,432.72, 4,778,404.52 and 1,913,661.08

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Solution

The fourth proportional to 3,462,432.72, 4,778,404.52 and 1,913,661.08 is: 2,640,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,432.72 : 4,778,404.52 = 1,913,661.08 : x
  2. Step 2: Convert to fraction form
    3,462,432.72/4,778,404.52 = 1,913,661.08/x
  3. Step 3: Cross multiply
    3,462,432.72x = 4,778,404.52 × 1,913,661.08
  4. Step 4: Simplify right side
    3,462,432.72x = 9,144,246,738,878.77
  5. Step 5: Solve for x
    x = 9,144,246,738,878.77/3,462,432.72
  6. Step 6: Final answer
    x = 2,640,989.01

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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.