Home / 2,934,875.40-4,402,313.10-1,978,281.60

Finding the Fourth Proportional to 2,934,875.40, 4,402,313.10 and 1,978,281.60

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Solution

The fourth proportional to 2,934,875.40, 4,402,313.10 and 1,978,281.60 is: 2,967,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,875.40 : 4,402,313.10 = 1,978,281.60 : x
  2. Step 2: Convert to fraction form
    2,934,875.40/4,402,313.10 = 1,978,281.60/x
  3. Step 3: Cross multiply
    2,934,875.40x = 4,402,313.10 × 1,978,281.60
  4. Step 4: Simplify right side
    2,934,875.40x = 8,709,015,003,168.96
  5. Step 5: Solve for x
    x = 8,709,015,003,168.96/2,934,875.40
  6. Step 6: Final answer
    x = 2,967,422.40

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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.