Home / 5,630,402.28-7,764,938.28-4,390,320

Finding the Fourth Proportional to 5,630,402.28, 7,764,938.28 and 4,390,320

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Solution

The fourth proportional to 5,630,402.28, 7,764,938.28 and 4,390,320 is: 6,054,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630,402.28 : 7,764,938.28 = 4,390,320 : x
  2. Step 2: Convert to fraction form
    5,630,402.28/7,764,938.28 = 4,390,320/x
  3. Step 3: Cross multiply
    5,630,402.28x = 7,764,938.28 × 4,390,320
  4. Step 4: Simplify right side
    5,630,402.28x = 34,090,563,829,449.60
  5. Step 5: Solve for x
    x = 34,090,563,829,449.60/5,630,402.28
  6. Step 6: Final answer
    x = 6,054,729.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.