Home / 5,106,784.69-7,047,361.16-2,814,983.65

Finding the Fourth Proportional to 5,106,784.69, 7,047,361.16 and 2,814,983.65

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Solution

The fourth proportional to 5,106,784.69, 7,047,361.16 and 2,814,983.65 is: 3,884,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,784.69 : 7,047,361.16 = 2,814,983.65 : x
  2. Step 2: Convert to fraction form
    5,106,784.69/7,047,361.16 = 2,814,983.65/x
  3. Step 3: Cross multiply
    5,106,784.69x = 7,047,361.16 × 2,814,983.65
  4. Step 4: Simplify right side
    5,106,784.69x = 19,838,206,426,970.12
  5. Step 5: Solve for x
    x = 19,838,206,426,970.12/5,106,784.69
  6. Step 6: Final answer
    x = 3,884,676.49

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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.