Home / 5,168,400.84-7,752,815-1,525,130.74

Finding the Fourth Proportional to 5,168,400.84, 7,752,815 and 1,525,130.74

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Solution

The fourth proportional to 5,168,400.84, 7,752,815 and 1,525,130.74 is: 2,287,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,400.84 : 7,752,815 = 1,525,130.74 : x
  2. Step 2: Convert to fraction form
    5,168,400.84/7,752,815 = 1,525,130.74/x
  3. Step 3: Cross multiply
    5,168,400.84x = 7,752,815 × 1,525,130.74
  4. Step 4: Simplify right side
    5,168,400.84x = 11,824,056,478,033.10
  5. Step 5: Solve for x
    x = 11,824,056,478,033.10/5,168,400.84
  6. Step 6: Final answer
    x = 2,287,759.18

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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.