Home / 3,908,457.80-5,862,686.70-1,384,368.20

Finding the Fourth Proportional to 3,908,457.80, 5,862,686.70 and 1,384,368.20

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Solution

The fourth proportional to 3,908,457.80, 5,862,686.70 and 1,384,368.20 is: 2,076,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,457.80 : 5,862,686.70 = 1,384,368.20 : x
  2. Step 2: Convert to fraction form
    3,908,457.80/5,862,686.70 = 1,384,368.20/x
  3. Step 3: Cross multiply
    3,908,457.80x = 5,862,686.70 × 1,384,368.20
  4. Step 4: Simplify right side
    3,908,457.80x = 8,116,117,034,042.94
  5. Step 5: Solve for x
    x = 8,116,117,034,042.94/3,908,457.80
  6. Step 6: Final answer
    x = 2,076,552.30

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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.