Home / 2,908,145-4,013,332.44-1,820,068.76

Finding the Fourth Proportional to 2,908,145, 4,013,332.44 and 1,820,068.76

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Solution

The fourth proportional to 2,908,145, 4,013,332.44 and 1,820,068.76 is: 2,511,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,145 : 4,013,332.44 = 1,820,068.76 : x
  2. Step 2: Convert to fraction form
    2,908,145/4,013,332.44 = 1,820,068.76/x
  3. Step 3: Cross multiply
    2,908,145x = 4,013,332.44 × 1,820,068.76
  4. Step 4: Simplify right side
    2,908,145x = 7,304,540,997,538.57
  5. Step 5: Solve for x
    x = 7,304,540,997,538.57/2,908,145
  6. Step 6: Final answer
    x = 2,511,752.68

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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.