Home / 3,138,064-4,705,267.02-1,216,730.59

Finding the Fourth Proportional to 3,138,064, 4,705,267.02 and 1,216,730.59

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Solution

The fourth proportional to 3,138,064, 4,705,267.02 and 1,216,730.59 is: 1,824,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,064 : 4,705,267.02 = 1,216,730.59 : x
  2. Step 2: Convert to fraction form
    3,138,064/4,705,267.02 = 1,216,730.59/x
  3. Step 3: Cross multiply
    3,138,064x = 4,705,267.02 × 1,216,730.59
  4. Step 4: Simplify right side
    3,138,064x = 5,725,042,317,352.14
  5. Step 5: Solve for x
    x = 5,725,042,317,352.14/3,138,064
  6. Step 6: Final answer
    x = 1,824,386.73

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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.