Home / 1,820,390.37-2,512,199.04-993,509.07

Finding the Fourth Proportional to 1,820,390.37, 2,512,199.04 and 993,509.07

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Solution

The fourth proportional to 1,820,390.37, 2,512,199.04 and 993,509.07 is: 1,371,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,390.37 : 2,512,199.04 = 993,509.07 : x
  2. Step 2: Convert to fraction form
    1,820,390.37/2,512,199.04 = 993,509.07/x
  3. Step 3: Cross multiply
    1,820,390.37x = 2,512,199.04 × 993,509.07
  4. Step 4: Simplify right side
    1,820,390.37x = 2,495,892,531,885.29
  5. Step 5: Solve for x
    x = 2,495,892,531,885.29/1,820,390.37
  6. Step 6: Final answer
    x = 1,371,075.44

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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.