Home / 6,421,928.32-8,862,360.96-3,521,584

Finding the Fourth Proportional to 6,421,928.32, 8,862,360.96 and 3,521,584

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Solution

The fourth proportional to 6,421,928.32, 8,862,360.96 and 3,521,584 is: 4,859,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,928.32 : 8,862,360.96 = 3,521,584 : x
  2. Step 2: Convert to fraction form
    6,421,928.32/8,862,360.96 = 3,521,584/x
  3. Step 3: Cross multiply
    6,421,928.32x = 8,862,360.96 × 3,521,584
  4. Step 4: Simplify right side
    6,421,928.32x = 31,209,548,558,960.64
  5. Step 5: Solve for x
    x = 31,209,548,558,960.64/6,421,928.32
  6. Step 6: Final answer
    x = 4,859,840.69

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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.