Home / 2,505,511.11-3,456,801.39-1,402,780.07

Finding the Fourth Proportional to 2,505,511.11, 3,456,801.39 and 1,402,780.07

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Solution

The fourth proportional to 2,505,511.11, 3,456,801.39 and 1,402,780.07 is: 1,935,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505,511.11 : 3,456,801.39 = 1,402,780.07 : x
  2. Step 2: Convert to fraction form
    2,505,511.11/3,456,801.39 = 1,402,780.07/x
  3. Step 3: Cross multiply
    2,505,511.11x = 3,456,801.39 × 1,402,780.07
  4. Step 4: Simplify right side
    2,505,511.11x = 4,849,132,104,482.30
  5. Step 5: Solve for x
    x = 4,849,132,104,482.30/2,505,511.11
  6. Step 6: Final answer
    x = 1,935,386.39

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Double scale
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1.5x scale

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.