Home / 3,131,607.80-4,697,411.70-1,635,505.40

Finding the Fourth Proportional to 3,131,607.80, 4,697,411.70 and 1,635,505.40

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Solution

The fourth proportional to 3,131,607.80, 4,697,411.70 and 1,635,505.40 is: 2,453,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,607.80 : 4,697,411.70 = 1,635,505.40 : x
  2. Step 2: Convert to fraction form
    3,131,607.80/4,697,411.70 = 1,635,505.40/x
  3. Step 3: Cross multiply
    3,131,607.80x = 4,697,411.70 × 1,635,505.40
  4. Step 4: Simplify right side
    3,131,607.80x = 7,682,642,201,373.18
  5. Step 5: Solve for x
    x = 7,682,642,201,373.18/3,131,607.80
  6. Step 6: Final answer
    x = 2,453,258.10

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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.