Home / 2,185,702.81-3,016,289.50-1,205,679.35

Finding the Fourth Proportional to 2,185,702.81, 3,016,289.50 and 1,205,679.35

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Solution

The fourth proportional to 2,185,702.81, 3,016,289.50 and 1,205,679.35 is: 1,663,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,702.81 : 3,016,289.50 = 1,205,679.35 : x
  2. Step 2: Convert to fraction form
    2,185,702.81/3,016,289.50 = 1,205,679.35/x
  3. Step 3: Cross multiply
    2,185,702.81x = 3,016,289.50 × 1,205,679.35
  4. Step 4: Simplify right side
    2,185,702.81x = 3,636,677,957,743.43
  5. Step 5: Solve for x
    x = 3,636,677,957,743.43/2,185,702.81
  6. Step 6: Final answer
    x = 1,663,848.33

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1.5x scale

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.