Home / 1,878,621.68-2,592,498.86-1,019,181.71

Finding the Fourth Proportional to 1,878,621.68, 2,592,498.86 and 1,019,181.71

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Solution

The fourth proportional to 1,878,621.68, 2,592,498.86 and 1,019,181.71 is: 1,406,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,621.68 : 2,592,498.86 = 1,019,181.71 : x
  2. Step 2: Convert to fraction form
    1,878,621.68/2,592,498.86 = 1,019,181.71/x
  3. Step 3: Cross multiply
    1,878,621.68x = 2,592,498.86 × 1,019,181.71
  4. Step 4: Simplify right side
    1,878,621.68x = 2,642,227,403,249.45
  5. Step 5: Solve for x
    x = 2,642,227,403,249.45/1,878,621.68
  6. Step 6: Final answer
    x = 1,406,471.26

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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.