Home / 1,909,368.10-2,634,995.64-1,049,993.74

Finding the Fourth Proportional to 1,909,368.10, 2,634,995.64 and 1,049,993.74

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Solution

The fourth proportional to 1,909,368.10, 2,634,995.64 and 1,049,993.74 is: 1,449,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,368.10 : 2,634,995.64 = 1,049,993.74 : x
  2. Step 2: Convert to fraction form
    1,909,368.10/2,634,995.64 = 1,049,993.74/x
  3. Step 3: Cross multiply
    1,909,368.10x = 2,634,995.64 × 1,049,993.74
  4. Step 4: Simplify right side
    1,909,368.10x = 2,766,728,926,927.29
  5. Step 5: Solve for x
    x = 2,766,728,926,927.29/1,909,368.10
  6. Step 6: Final answer
    x = 1,449,028.57

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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.