Home / 4,260,038.40-6,390,057.60-3,140,294.40

Finding the Fourth Proportional to 4,260,038.40, 6,390,057.60 and 3,140,294.40

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Solution

The fourth proportional to 4,260,038.40, 6,390,057.60 and 3,140,294.40 is: 4,710,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,038.40 : 6,390,057.60 = 3,140,294.40 : x
  2. Step 2: Convert to fraction form
    4,260,038.40/6,390,057.60 = 3,140,294.40/x
  3. Step 3: Cross multiply
    4,260,038.40x = 6,390,057.60 × 3,140,294.40
  4. Step 4: Simplify right side
    4,260,038.40x = 20,066,662,096,957.44
  5. Step 5: Solve for x
    x = 20,066,662,096,957.44/4,260,038.40
  6. Step 6: Final answer
    x = 4,710,441.60

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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.