Home / 2,819,430.45-3,890,817.45-1,530,271.17

Finding the Fourth Proportional to 2,819,430.45, 3,890,817.45 and 1,530,271.17

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Solution

The fourth proportional to 2,819,430.45, 3,890,817.45 and 1,530,271.17 is: 2,111,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,430.45 : 3,890,817.45 = 1,530,271.17 : x
  2. Step 2: Convert to fraction form
    2,819,430.45/3,890,817.45 = 1,530,271.17/x
  3. Step 3: Cross multiply
    2,819,430.45x = 3,890,817.45 × 1,530,271.17
  4. Step 4: Simplify right side
    2,819,430.45x = 5,954,005,771,467.92
  5. Step 5: Solve for x
    x = 5,954,005,771,467.92/2,819,430.45
  6. Step 6: Final answer
    x = 2,111,776.08

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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.