Home / 1,893,951.77-2,612,879.67-1,398,423.25

Finding the Fourth Proportional to 1,893,951.77, 2,612,879.67 and 1,398,423.25

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Solution

The fourth proportional to 1,893,951.77, 2,612,879.67 and 1,398,423.25 is: 1,929,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,951.77 : 2,612,879.67 = 1,398,423.25 : x
  2. Step 2: Convert to fraction form
    1,893,951.77/2,612,879.67 = 1,398,423.25/x
  3. Step 3: Cross multiply
    1,893,951.77x = 2,612,879.67 × 1,398,423.25
  4. Step 4: Simplify right side
    1,893,951.77x = 3,653,911,688,490.51
  5. Step 5: Solve for x
    x = 3,653,911,688,490.51/1,893,951.77
  6. Step 6: Final answer
    x = 1,929,252.76

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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.