Home / 4,752,332.70-7,128,499.05-1,556,688.30

Finding the Fourth Proportional to 4,752,332.70, 7,128,499.05 and 1,556,688.30

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Solution

The fourth proportional to 4,752,332.70, 7,128,499.05 and 1,556,688.30 is: 2,335,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,332.70 : 7,128,499.05 = 1,556,688.30 : x
  2. Step 2: Convert to fraction form
    4,752,332.70/7,128,499.05 = 1,556,688.30/x
  3. Step 3: Cross multiply
    4,752,332.70x = 7,128,499.05 × 1,556,688.30
  4. Step 4: Simplify right side
    4,752,332.70x = 11,096,851,067,696.12
  5. Step 5: Solve for x
    x = 11,096,851,067,696.12/4,752,332.70
  6. Step 6: Final answer
    x = 2,335,032.45

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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.