Home / 5,728,240.81-7,904,962.69-3,281,643.91

Finding the Fourth Proportional to 5,728,240.81, 7,904,962.69 and 3,281,643.91

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Solution

The fourth proportional to 5,728,240.81, 7,904,962.69 and 3,281,643.91 is: 4,528,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,240.81 : 7,904,962.69 = 3,281,643.91 : x
  2. Step 2: Convert to fraction form
    5,728,240.81/7,904,962.69 = 3,281,643.91/x
  3. Step 3: Cross multiply
    5,728,240.81x = 7,904,962.69 × 3,281,643.91
  4. Step 4: Simplify right side
    5,728,240.81x = 25,941,272,670,415.72
  5. Step 5: Solve for x
    x = 25,941,272,670,415.72/5,728,240.81
  6. Step 6: Final answer
    x = 4,528,663.08

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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.