Home / 1,820,780.57-2,512,302.09-1,046,261.77

Finding the Fourth Proportional to 1,820,780.57, 2,512,302.09 and 1,046,261.77

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Solution

The fourth proportional to 1,820,780.57, 2,512,302.09 and 1,046,261.77 is: 1,443,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,780.57 : 2,512,302.09 = 1,046,261.77 : x
  2. Step 2: Convert to fraction form
    1,820,780.57/2,512,302.09 = 1,046,261.77/x
  3. Step 3: Cross multiply
    1,820,780.57x = 2,512,302.09 × 1,046,261.77
  4. Step 4: Simplify right side
    1,820,780.57x = 2,628,525,624,491.52
  5. Step 5: Solve for x
    x = 2,628,525,624,491.52/1,820,780.57
  6. Step 6: Final answer
    x = 1,443,625.70

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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.