Home / 5,638,631.42-7,781,319.05-3,060,312.23

Finding the Fourth Proportional to 5,638,631.42, 7,781,319.05 and 3,060,312.23

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Solution

The fourth proportional to 5,638,631.42, 7,781,319.05 and 3,060,312.23 is: 4,223,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,631.42 : 7,781,319.05 = 3,060,312.23 : x
  2. Step 2: Convert to fraction form
    5,638,631.42/7,781,319.05 = 3,060,312.23/x
  3. Step 3: Cross multiply
    5,638,631.42x = 7,781,319.05 × 3,060,312.23
  4. Step 4: Simplify right side
    5,638,631.42x = 23,813,265,800,038.82
  5. Step 5: Solve for x
    x = 23,813,265,800,038.82/5,638,631.42
  6. Step 6: Final answer
    x = 4,223,235.05

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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.