Home / 1,537,621.63-2,121,905.18-839,903.02

Finding the Fourth Proportional to 1,537,621.63, 2,121,905.18 and 839,903.02

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Solution

The fourth proportional to 1,537,621.63, 2,121,905.18 and 839,903.02 is: 1,159,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,621.63 : 2,121,905.18 = 839,903.02 : x
  2. Step 2: Convert to fraction form
    1,537,621.63/2,121,905.18 = 839,903.02/x
  3. Step 3: Cross multiply
    1,537,621.63x = 2,121,905.18 × 839,903.02
  4. Step 4: Simplify right side
    1,537,621.63x = 1,782,194,568,835.64
  5. Step 5: Solve for x
    x = 1,782,194,568,835.64/1,537,621.63
  6. Step 6: Final answer
    x = 1,159,059.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.