Home / 1,616,485.41-2,230,702.13-891,332.98

Finding the Fourth Proportional to 1,616,485.41, 2,230,702.13 and 891,332.98

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Solution

The fourth proportional to 1,616,485.41, 2,230,702.13 and 891,332.98 is: 1,230,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,485.41 : 2,230,702.13 = 891,332.98 : x
  2. Step 2: Convert to fraction form
    1,616,485.41/2,230,702.13 = 891,332.98/x
  3. Step 3: Cross multiply
    1,616,485.41x = 2,230,702.13 × 891,332.98
  4. Step 4: Simplify right side
    1,616,485.41x = 1,988,298,373,676.82
  5. Step 5: Solve for x
    x = 1,988,298,373,676.82/1,616,485.41
  6. Step 6: Final answer
    x = 1,230,013.19

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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.