Home / 2,643,089.60-3,965,671.20-960,363.20

Finding the Fourth Proportional to 2,643,089.60, 3,965,671.20 and 960,363.20

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Solution

The fourth proportional to 2,643,089.60, 3,965,671.20 and 960,363.20 is: 1,440,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,089.60 : 3,965,671.20 = 960,363.20 : x
  2. Step 2: Convert to fraction form
    2,643,089.60/3,965,671.20 = 960,363.20/x
  3. Step 3: Cross multiply
    2,643,089.60x = 3,965,671.20 × 960,363.20
  4. Step 4: Simplify right side
    2,643,089.60x = 3,808,484,683,779.84
  5. Step 5: Solve for x
    x = 3,808,484,683,779.84/2,643,089.60
  6. Step 6: Final answer
    x = 1,440,921.52

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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.