Home / 2,147,274.45-3,220,827.53-727,330.47

Finding the Fourth Proportional to 2,147,274.45, 3,220,827.53 and 727,330.47

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Solution

The fourth proportional to 2,147,274.45, 3,220,827.53 and 727,330.47 is: 1,090,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,274.45 : 3,220,827.53 = 727,330.47 : x
  2. Step 2: Convert to fraction form
    2,147,274.45/3,220,827.53 = 727,330.47/x
  3. Step 3: Cross multiply
    2,147,274.45x = 3,220,827.53 × 727,330.47
  4. Step 4: Simplify right side
    2,147,274.45x = 2,342,605,997,547.19
  5. Step 5: Solve for x
    x = 2,342,605,997,547.19/2,147,274.45
  6. Step 6: Final answer
    x = 1,090,967.20

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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.