Home / 1,911,484.74-2,865,620.06-1,278,466.50

Finding the Fourth Proportional to 1,911,484.74, 2,865,620.06 and 1,278,466.50

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Solution

The fourth proportional to 1,911,484.74, 2,865,620.06 and 1,278,466.50 is: 1,916,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,484.74 : 2,865,620.06 = 1,278,466.50 : x
  2. Step 2: Convert to fraction form
    1,911,484.74/2,865,620.06 = 1,278,466.50/x
  3. Step 3: Cross multiply
    1,911,484.74x = 2,865,620.06 × 1,278,466.50
  4. Step 4: Simplify right side
    1,911,484.74x = 3,663,599,248,437.99
  5. Step 5: Solve for x
    x = 3,663,599,248,437.99/1,911,484.74
  6. Step 6: Final answer
    x = 1,916,624.90

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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.