Home / 1,989,719.84-2,745,925.56-1,505,444.20

Finding the Fourth Proportional to 1,989,719.84, 2,745,925.56 and 1,505,444.20

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Solution

The fourth proportional to 1,989,719.84, 2,745,925.56 and 1,505,444.20 is: 2,077,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,719.84 : 2,745,925.56 = 1,505,444.20 : x
  2. Step 2: Convert to fraction form
    1,989,719.84/2,745,925.56 = 1,505,444.20/x
  3. Step 3: Cross multiply
    1,989,719.84x = 2,745,925.56 × 1,505,444.20
  4. Step 4: Simplify right side
    1,989,719.84x = 4,133,837,707,933.75
  5. Step 5: Solve for x
    x = 4,133,837,707,933.75/1,989,719.84
  6. Step 6: Final answer
    x = 2,077,597.87

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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.