Home / 2,880,979.86-3,975,411.12-1,719,210.82

Finding the Fourth Proportional to 2,880,979.86, 3,975,411.12 and 1,719,210.82

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Solution

The fourth proportional to 2,880,979.86, 3,975,411.12 and 1,719,210.82 is: 2,372,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,979.86 : 3,975,411.12 = 1,719,210.82 : x
  2. Step 2: Convert to fraction form
    2,880,979.86/3,975,411.12 = 1,719,210.82/x
  3. Step 3: Cross multiply
    2,880,979.86x = 3,975,411.12 × 1,719,210.82
  4. Step 4: Simplify right side
    2,880,979.86x = 6,834,569,811,452.32
  5. Step 5: Solve for x
    x = 6,834,569,811,452.32/2,880,979.86
  6. Step 6: Final answer
    x = 2,372,307.39

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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.