Home / 2,175,280.80-3,262,921.20-578,090.40

Finding the Fourth Proportional to 2,175,280.80, 3,262,921.20 and 578,090.40

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Solution

The fourth proportional to 2,175,280.80, 3,262,921.20 and 578,090.40 is: 867,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,280.80 : 3,262,921.20 = 578,090.40 : x
  2. Step 2: Convert to fraction form
    2,175,280.80/3,262,921.20 = 578,090.40/x
  3. Step 3: Cross multiply
    2,175,280.80x = 3,262,921.20 × 578,090.40
  4. Step 4: Simplify right side
    2,175,280.80x = 1,886,263,421,676.48
  5. Step 5: Solve for x
    x = 1,886,263,421,676.48/2,175,280.80
  6. Step 6: Final answer
    x = 867,135.60

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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.