Home / 1,411,155.70-2,116,733.55-1,316,677.30

Finding the Fourth Proportional to 1,411,155.70, 2,116,733.55 and 1,316,677.30

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Solution

The fourth proportional to 1,411,155.70, 2,116,733.55 and 1,316,677.30 is: 1,975,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,155.70 : 2,116,733.55 = 1,316,677.30 : x
  2. Step 2: Convert to fraction form
    1,411,155.70/2,116,733.55 = 1,316,677.30/x
  3. Step 3: Cross multiply
    1,411,155.70x = 2,116,733.55 × 1,316,677.30
  4. Step 4: Simplify right side
    1,411,155.70x = 2,787,055,015,433.42
  5. Step 5: Solve for x
    x = 2,787,055,015,433.42/1,411,155.70
  6. Step 6: Final answer
    x = 1,975,015.95

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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.