Home / 3,531,128.80-5,297,384.40-1,509,368.80

Finding the Fourth Proportional to 3,531,128.80, 5,297,384.40 and 1,509,368.80

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Solution

The fourth proportional to 3,531,128.80, 5,297,384.40 and 1,509,368.80 is: 2,264,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,128.80 : 5,297,384.40 = 1,509,368.80 : x
  2. Step 2: Convert to fraction form
    3,531,128.80/5,297,384.40 = 1,509,368.80/x
  3. Step 3: Cross multiply
    3,531,128.80x = 5,297,384.40 × 1,509,368.80
  4. Step 4: Simplify right side
    3,531,128.80x = 7,995,706,734,966.72
  5. Step 5: Solve for x
    x = 7,995,706,734,966.72/3,531,128.80
  6. Step 6: Final answer
    x = 2,264,348.65

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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.