Home / 2,079,851.52-2,869,931.28-1,220,098.08

Finding the Fourth Proportional to 2,079,851.52, 2,869,931.28 and 1,220,098.08

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Solution

The fourth proportional to 2,079,851.52, 2,869,931.28 and 1,220,098.08 is: 1,683,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,851.52 : 2,869,931.28 = 1,220,098.08 : x
  2. Step 2: Convert to fraction form
    2,079,851.52/2,869,931.28 = 1,220,098.08/x
  3. Step 3: Cross multiply
    2,079,851.52x = 2,869,931.28 × 1,220,098.08
  4. Step 4: Simplify right side
    2,079,851.52x = 3,501,597,644,459.94
  5. Step 5: Solve for x
    x = 3,501,597,644,459.94/2,079,851.52
  6. Step 6: Final answer
    x = 1,683,580.59

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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.