Home / 2,915,862.71-4,373,295.66-785,448.60

Finding the Fourth Proportional to 2,915,862.71, 4,373,295.66 and 785,448.60

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Solution

The fourth proportional to 2,915,862.71, 4,373,295.66 and 785,448.60 is: 1,178,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,862.71 : 4,373,295.66 = 785,448.60 : x
  2. Step 2: Convert to fraction form
    2,915,862.71/4,373,295.66 = 785,448.60/x
  3. Step 3: Cross multiply
    2,915,862.71x = 4,373,295.66 × 785,448.60
  4. Step 4: Simplify right side
    2,915,862.71x = 3,434,998,953,533.08
  5. Step 5: Solve for x
    x = 3,434,998,953,533.08/2,915,862.71
  6. Step 6: Final answer
    x = 1,178,038.64

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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.