Home / 2,881,284.86-3,976,920-1,657,715.72

Finding the Fourth Proportional to 2,881,284.86, 3,976,920 and 1,657,715.72

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Solution

The fourth proportional to 2,881,284.86, 3,976,920 and 1,657,715.72 is: 2,288,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,284.86 : 3,976,920 = 1,657,715.72 : x
  2. Step 2: Convert to fraction form
    2,881,284.86/3,976,920 = 1,657,715.72/x
  3. Step 3: Cross multiply
    2,881,284.86x = 3,976,920 × 1,657,715.72
  4. Step 4: Simplify right side
    2,881,284.86x = 6,592,602,801,182.40
  5. Step 5: Solve for x
    x = 6,592,602,801,182.40/2,881,284.86
  6. Step 6: Final answer
    x = 2,288,077.41

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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.