Home / 2,920,642.98-4,382,532.81-1,215,962.94

Finding the Fourth Proportional to 2,920,642.98, 4,382,532.81 and 1,215,962.94

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Solution

The fourth proportional to 2,920,642.98, 4,382,532.81 and 1,215,962.94 is: 1,824,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,642.98 : 4,382,532.81 = 1,215,962.94 : x
  2. Step 2: Convert to fraction form
    2,920,642.98/4,382,532.81 = 1,215,962.94/x
  3. Step 3: Cross multiply
    2,920,642.98x = 4,382,532.81 × 1,215,962.94
  4. Step 4: Simplify right side
    2,920,642.98x = 5,328,997,480,294.06
  5. Step 5: Solve for x
    x = 5,328,997,480,294.06/2,920,642.98
  6. Step 6: Final answer
    x = 1,824,597.36

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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.