Home / 2,166,607.03-2,989,915.85-1,199,737.30

Finding the Fourth Proportional to 2,166,607.03, 2,989,915.85 and 1,199,737.30

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Solution

The fourth proportional to 2,166,607.03, 2,989,915.85 and 1,199,737.30 is: 1,655,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,607.03 : 2,989,915.85 = 1,199,737.30 : x
  2. Step 2: Convert to fraction form
    2,166,607.03/2,989,915.85 = 1,199,737.30/x
  3. Step 3: Cross multiply
    2,166,607.03x = 2,989,915.85 × 1,199,737.30
  4. Step 4: Simplify right side
    2,166,607.03x = 3,587,113,569,106.21
  5. Step 5: Solve for x
    x = 3,587,113,569,106.21/2,166,607.03
  6. Step 6: Final answer
    x = 1,655,636.45

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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.