Home / 1,908,678.02-2,862,942.30-646,505.64

Finding the Fourth Proportional to 1,908,678.02, 2,862,942.30 and 646,505.64

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Solution

The fourth proportional to 1,908,678.02, 2,862,942.30 and 646,505.64 is: 969,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,678.02 : 2,862,942.30 = 646,505.64 : x
  2. Step 2: Convert to fraction form
    1,908,678.02/2,862,942.30 = 646,505.64/x
  3. Step 3: Cross multiply
    1,908,678.02x = 2,862,942.30 × 646,505.64
  4. Step 4: Simplify right side
    1,908,678.02x = 1,850,908,343,944.57
  5. Step 5: Solve for x
    x = 1,850,908,343,944.57/1,908,678.02
  6. Step 6: Final answer
    x = 969,733.15

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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.