Home / 3,005,254.81-4,147,878.09-2,763,153.91

Finding the Fourth Proportional to 3,005,254.81, 4,147,878.09 and 2,763,153.91

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Solution

The fourth proportional to 3,005,254.81, 4,147,878.09 and 2,763,153.91 is: 3,813,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,254.81 : 4,147,878.09 = 2,763,153.91 : x
  2. Step 2: Convert to fraction form
    3,005,254.81/4,147,878.09 = 2,763,153.91/x
  3. Step 3: Cross multiply
    3,005,254.81x = 4,147,878.09 × 2,763,153.91
  4. Step 4: Simplify right side
    3,005,254.81x = 11,461,225,562,586.83
  5. Step 5: Solve for x
    x = 11,461,225,562,586.83/3,005,254.81
  6. Step 6: Final answer
    x = 3,813,728.38

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1.5x scale

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.