Home / 1,646,045.16-2,271,630.57-920,849.63

Finding the Fourth Proportional to 1,646,045.16, 2,271,630.57 and 920,849.63

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Solution

The fourth proportional to 1,646,045.16, 2,271,630.57 and 920,849.63 is: 1,270,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,045.16 : 2,271,630.57 = 920,849.63 : x
  2. Step 2: Convert to fraction form
    1,646,045.16/2,271,630.57 = 920,849.63/x
  3. Step 3: Cross multiply
    1,646,045.16x = 2,271,630.57 × 920,849.63
  4. Step 4: Simplify right side
    1,646,045.16x = 2,091,830,175,560.27
  5. Step 5: Solve for x
    x = 2,091,830,175,560.27/1,646,045.16
  6. Step 6: Final answer
    x = 1,270,821.86

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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.