Home / 2,990,244.54-4,487,347.83-1,643,347.74

Finding the Fourth Proportional to 2,990,244.54, 4,487,347.83 and 1,643,347.74

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Solution

The fourth proportional to 2,990,244.54, 4,487,347.83 and 1,643,347.74 is: 2,466,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,244.54 : 4,487,347.83 = 1,643,347.74 : x
  2. Step 2: Convert to fraction form
    2,990,244.54/4,487,347.83 = 1,643,347.74/x
  3. Step 3: Cross multiply
    2,990,244.54x = 4,487,347.83 × 1,643,347.74
  4. Step 4: Simplify right side
    2,990,244.54x = 7,374,272,915,024.40
  5. Step 5: Solve for x
    x = 7,374,272,915,024.40/2,990,244.54
  6. Step 6: Final answer
    x = 2,466,110.32

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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.