Home / 1,920,911.45-2,650,543.08-1,135,868.47

Finding the Fourth Proportional to 1,920,911.45, 2,650,543.08 and 1,135,868.47

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Solution

The fourth proportional to 1,920,911.45, 2,650,543.08 and 1,135,868.47 is: 1,567,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,911.45 : 2,650,543.08 = 1,135,868.47 : x
  2. Step 2: Convert to fraction form
    1,920,911.45/2,650,543.08 = 1,135,868.47/x
  3. Step 3: Cross multiply
    1,920,911.45x = 2,650,543.08 × 1,135,868.47
  4. Step 4: Simplify right side
    1,920,911.45x = 3,010,668,302,062.82
  5. Step 5: Solve for x
    x = 3,010,668,302,062.82/1,920,911.45
  6. Step 6: Final answer
    x = 1,567,312.39

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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.