Home / 4,851,128.80-7,276,714.80-1,256,640.40

Finding the Fourth Proportional to 4,851,128.80, 7,276,714.80 and 1,256,640.40

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Solution

The fourth proportional to 4,851,128.80, 7,276,714.80 and 1,256,640.40 is: 1,884,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851,128.80 : 7,276,714.80 = 1,256,640.40 : x
  2. Step 2: Convert to fraction form
    4,851,128.80/7,276,714.80 = 1,256,640.40/x
  3. Step 3: Cross multiply
    4,851,128.80x = 7,276,714.80 × 1,256,640.40
  4. Step 4: Simplify right side
    4,851,128.80x = 9,144,213,796,957.92
  5. Step 5: Solve for x
    x = 9,144,213,796,957.92/4,851,128.80
  6. Step 6: Final answer
    x = 1,884,966.20

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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.