Home / 1,554,962.10-2,145,114.09-909,983.22

Finding the Fourth Proportional to 1,554,962.10, 2,145,114.09 and 909,983.22

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Solution

The fourth proportional to 1,554,962.10, 2,145,114.09 and 909,983.22 is: 1,255,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,962.10 : 2,145,114.09 = 909,983.22 : x
  2. Step 2: Convert to fraction form
    1,554,962.10/2,145,114.09 = 909,983.22/x
  3. Step 3: Cross multiply
    1,554,962.10x = 2,145,114.09 × 909,983.22
  4. Step 4: Simplify right side
    1,554,962.10x = 1,952,017,826,885.57
  5. Step 5: Solve for x
    x = 1,952,017,826,885.57/1,554,962.10
  6. Step 6: Final answer
    x = 1,255,347.53

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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.