Home / 1,556,205.15-2,147,579.46-877,141.65

Finding the Fourth Proportional to 1,556,205.15, 2,147,579.46 and 877,141.65

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Solution

The fourth proportional to 1,556,205.15, 2,147,579.46 and 877,141.65 is: 1,210,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,205.15 : 2,147,579.46 = 877,141.65 : x
  2. Step 2: Convert to fraction form
    1,556,205.15/2,147,579.46 = 877,141.65/x
  3. Step 3: Cross multiply
    1,556,205.15x = 2,147,579.46 × 877,141.65
  4. Step 4: Simplify right side
    1,556,205.15x = 1,883,731,391,050.51
  5. Step 5: Solve for x
    x = 1,883,731,391,050.51/1,556,205.15
  6. Step 6: Final answer
    x = 1,210,464.69

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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.