Home / 2,820,666.84-3,892,535.80-1,531,507.26

Finding the Fourth Proportional to 2,820,666.84, 3,892,535.80 and 1,531,507.26

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Solution

The fourth proportional to 2,820,666.84, 3,892,535.80 and 1,531,507.26 is: 2,113,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,666.84 : 3,892,535.80 = 1,531,507.26 : x
  2. Step 2: Convert to fraction form
    2,820,666.84/3,892,535.80 = 1,531,507.26/x
  3. Step 3: Cross multiply
    2,820,666.84x = 3,892,535.80 × 1,531,507.26
  4. Step 4: Simplify right side
    2,820,666.84x = 5,961,446,833,681.14
  5. Step 5: Solve for x
    x = 5,961,446,833,681.14/2,820,666.84
  6. Step 6: Final answer
    x = 2,113,488.47

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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.