Home / 2,180,702.94-3,009,303.06-1,213,808.40

Finding the Fourth Proportional to 2,180,702.94, 3,009,303.06 and 1,213,808.40

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Solution

The fourth proportional to 2,180,702.94, 3,009,303.06 and 1,213,808.40 is: 1,675,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,702.94 : 3,009,303.06 = 1,213,808.40 : x
  2. Step 2: Convert to fraction form
    2,180,702.94/3,009,303.06 = 1,213,808.40/x
  3. Step 3: Cross multiply
    2,180,702.94x = 3,009,303.06 × 1,213,808.40
  4. Step 4: Simplify right side
    2,180,702.94x = 3,652,717,332,373.70
  5. Step 5: Solve for x
    x = 3,652,717,332,373.70/2,180,702.94
  6. Step 6: Final answer
    x = 1,675,018.30

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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.