Home / 3,125,628.40-4,688,442.60-2,739,938.80

Finding the Fourth Proportional to 3,125,628.40, 4,688,442.60 and 2,739,938.80

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Solution

The fourth proportional to 3,125,628.40, 4,688,442.60 and 2,739,938.80 is: 4,109,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,628.40 : 4,688,442.60 = 2,739,938.80 : x
  2. Step 2: Convert to fraction form
    3,125,628.40/4,688,442.60 = 2,739,938.80/x
  3. Step 3: Cross multiply
    3,125,628.40x = 4,688,442.60 × 2,739,938.80
  4. Step 4: Simplify right side
    3,125,628.40x = 12,846,045,791,312.88
  5. Step 5: Solve for x
    x = 12,846,045,791,312.88/3,125,628.40
  6. Step 6: Final answer
    x = 4,109,908.20

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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.