Home / 2,921,709.40-4,382,564.10-1,724,205.40

Finding the Fourth Proportional to 2,921,709.40, 4,382,564.10 and 1,724,205.40

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Solution

The fourth proportional to 2,921,709.40, 4,382,564.10 and 1,724,205.40 is: 2,586,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,709.40 : 4,382,564.10 = 1,724,205.40 : x
  2. Step 2: Convert to fraction form
    2,921,709.40/4,382,564.10 = 1,724,205.40/x
  3. Step 3: Cross multiply
    2,921,709.40x = 4,382,564.10 × 1,724,205.40
  4. Step 4: Simplify right side
    2,921,709.40x = 7,556,440,687,066.14
  5. Step 5: Solve for x
    x = 7,556,440,687,066.14/2,921,709.40
  6. Step 6: Final answer
    x = 2,586,308.10

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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.