Home / 4,919,934.40-7,382,032.80-2,642,801.74

Finding the Fourth Proportional to 4,919,934.40, 7,382,032.80 and 2,642,801.74

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Solution

The fourth proportional to 4,919,934.40, 7,382,032.80 and 2,642,801.74 is: 3,965,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,934.40 : 7,382,032.80 = 2,642,801.74 : x
  2. Step 2: Convert to fraction form
    4,919,934.40/7,382,032.80 = 2,642,801.74/x
  3. Step 3: Cross multiply
    4,919,934.40x = 7,382,032.80 × 2,642,801.74
  4. Step 4: Simplify right side
    4,919,934.40x = 19,509,249,128,577.07
  5. Step 5: Solve for x
    x = 19,509,249,128,577.07/4,919,934.40
  6. Step 6: Final answer
    x = 3,965,347.41

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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.