Home / 1,891,411.80-2,837,117.70-1,555,488.60

Finding the Fourth Proportional to 1,891,411.80, 2,837,117.70 and 1,555,488.60

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Solution

The fourth proportional to 1,891,411.80, 2,837,117.70 and 1,555,488.60 is: 2,333,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,411.80 : 2,837,117.70 = 1,555,488.60 : x
  2. Step 2: Convert to fraction form
    1,891,411.80/2,837,117.70 = 1,555,488.60/x
  3. Step 3: Cross multiply
    1,891,411.80x = 2,837,117.70 × 1,555,488.60
  4. Step 4: Simplify right side
    1,891,411.80x = 4,413,104,239,208.22
  5. Step 5: Solve for x
    x = 4,413,104,239,208.22/1,891,411.80
  6. Step 6: Final answer
    x = 2,333,232.90

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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.