Home / 3,390,005.28-4,678,235.04-1,862,146.56

Finding the Fourth Proportional to 3,390,005.28, 4,678,235.04 and 1,862,146.56

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Solution

The fourth proportional to 3,390,005.28, 4,678,235.04 and 1,862,146.56 is: 2,569,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,005.28 : 4,678,235.04 = 1,862,146.56 : x
  2. Step 2: Convert to fraction form
    3,390,005.28/4,678,235.04 = 1,862,146.56/x
  3. Step 3: Cross multiply
    3,390,005.28x = 4,678,235.04 × 1,862,146.56
  4. Step 4: Simplify right side
    3,390,005.28x = 8,711,559,286,607.46
  5. Step 5: Solve for x
    x = 8,711,559,286,607.46/3,390,005.28
  6. Step 6: Final answer
    x = 2,569,777.50

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1.5x scale

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.