Home / 2,312,812.35-3,191,653.38-1,294,225.47

Finding the Fourth Proportional to 2,312,812.35, 3,191,653.38 and 1,294,225.47

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Solution

The fourth proportional to 2,312,812.35, 3,191,653.38 and 1,294,225.47 is: 1,786,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,812.35 : 3,191,653.38 = 1,294,225.47 : x
  2. Step 2: Convert to fraction form
    2,312,812.35/3,191,653.38 = 1,294,225.47/x
  3. Step 3: Cross multiply
    2,312,812.35x = 3,191,653.38 × 1,294,225.47
  4. Step 4: Simplify right side
    2,312,812.35x = 4,130,719,095,807.59
  5. Step 5: Solve for x
    x = 4,130,719,095,807.59/2,312,812.35
  6. Step 6: Final answer
    x = 1,786,015.67

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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.