Home / 4,200,790.81-6,302,307.49-1,505,388.49

Finding the Fourth Proportional to 4,200,790.81, 6,302,307.49 and 1,505,388.49

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Solution

The fourth proportional to 4,200,790.81, 6,302,307.49 and 1,505,388.49 is: 2,258,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,790.81 : 6,302,307.49 = 1,505,388.49 : x
  2. Step 2: Convert to fraction form
    4,200,790.81/6,302,307.49 = 1,505,388.49/x
  3. Step 3: Cross multiply
    4,200,790.81x = 6,302,307.49 × 1,505,388.49
  4. Step 4: Simplify right side
    4,200,790.81x = 9,487,421,155,886.79
  5. Step 5: Solve for x
    x = 9,487,421,155,886.79/4,200,790.81
  6. Step 6: Final answer
    x = 2,258,484.55

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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.