Home / 4,972,700.76-7,458,312.02-1,378,092.89

Finding the Fourth Proportional to 4,972,700.76, 7,458,312.02 and 1,378,092.89

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Solution

The fourth proportional to 4,972,700.76, 7,458,312.02 and 1,378,092.89 is: 2,066,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,700.76 : 7,458,312.02 = 1,378,092.89 : x
  2. Step 2: Convert to fraction form
    4,972,700.76/7,458,312.02 = 1,378,092.89/x
  3. Step 3: Cross multiply
    4,972,700.76x = 7,458,312.02 × 1,378,092.89
  4. Step 4: Simplify right side
    4,972,700.76x = 10,278,246,721,981.51
  5. Step 5: Solve for x
    x = 10,278,246,721,981.51/4,972,700.76
  6. Step 6: Final answer
    x = 2,066,934.49

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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.