Home / 4,380,790.31-6,045,363.35-2,420,637.21

Finding the Fourth Proportional to 4,380,790.31, 6,045,363.35 and 2,420,637.21

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Solution

The fourth proportional to 4,380,790.31, 6,045,363.35 and 2,420,637.21 is: 3,340,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,790.31 : 6,045,363.35 = 2,420,637.21 : x
  2. Step 2: Convert to fraction form
    4,380,790.31/6,045,363.35 = 2,420,637.21/x
  3. Step 3: Cross multiply
    4,380,790.31x = 6,045,363.35 × 2,420,637.21
  4. Step 4: Simplify right side
    4,380,790.31x = 14,633,631,460,877.07
  5. Step 5: Solve for x
    x = 14,633,631,460,877.07/4,380,790.31
  6. Step 6: Final answer
    x = 3,340,409.02

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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.