Home / 1,680,315.60-2,520,181.80-614,809.20

Finding the Fourth Proportional to 1,680,315.60, 2,520,181.80 and 614,809.20

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Solution

The fourth proportional to 1,680,315.60, 2,520,181.80 and 614,809.20 is: 922,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,315.60 : 2,520,181.80 = 614,809.20 : x
  2. Step 2: Convert to fraction form
    1,680,315.60/2,520,181.80 = 614,809.20/x
  3. Step 3: Cross multiply
    1,680,315.60x = 2,520,181.80 × 614,809.20
  4. Step 4: Simplify right side
    1,680,315.60x = 1,549,430,956,312.56
  5. Step 5: Solve for x
    x = 1,549,430,956,312.56/1,680,315.60
  6. Step 6: Final answer
    x = 922,107.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.