Home / 2,985,516.63-4,118,715.54-1,897,205.49

Finding the Fourth Proportional to 2,985,516.63, 4,118,715.54 and 1,897,205.49

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Solution

The fourth proportional to 2,985,516.63, 4,118,715.54 and 1,897,205.49 is: 2,617,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,516.63 : 4,118,715.54 = 1,897,205.49 : x
  2. Step 2: Convert to fraction form
    2,985,516.63/4,118,715.54 = 1,897,205.49/x
  3. Step 3: Cross multiply
    2,985,516.63x = 4,118,715.54 × 1,897,205.49
  4. Step 4: Simplify right side
    2,985,516.63x = 7,814,049,734,236.32
  5. Step 5: Solve for x
    x = 7,814,049,734,236.32/2,985,516.63
  6. Step 6: Final answer
    x = 2,617,319.11

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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.