Home / 1,495,411.20-2,243,116.80-1,379,937.60

Finding the Fourth Proportional to 1,495,411.20, 2,243,116.80 and 1,379,937.60

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Solution

The fourth proportional to 1,495,411.20, 2,243,116.80 and 1,379,937.60 is: 2,069,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,411.20 : 2,243,116.80 = 1,379,937.60 : x
  2. Step 2: Convert to fraction form
    1,495,411.20/2,243,116.80 = 1,379,937.60/x
  3. Step 3: Cross multiply
    1,495,411.20x = 2,243,116.80 × 1,379,937.60
  4. Step 4: Simplify right side
    1,495,411.20x = 3,095,361,213,511.68
  5. Step 5: Solve for x
    x = 3,095,361,213,511.68/1,495,411.20
  6. Step 6: Final answer
    x = 2,069,906.40

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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.