Home / 2,886,347.68-3,980,528.40-2,478,321.76

Finding the Fourth Proportional to 2,886,347.68, 3,980,528.40 and 2,478,321.76

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Solution

The fourth proportional to 2,886,347.68, 3,980,528.40 and 2,478,321.76 is: 3,417,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,347.68 : 3,980,528.40 = 2,478,321.76 : x
  2. Step 2: Convert to fraction form
    2,886,347.68/3,980,528.40 = 2,478,321.76/x
  3. Step 3: Cross multiply
    2,886,347.68x = 3,980,528.40 × 2,478,321.76
  4. Step 4: Simplify right side
    2,886,347.68x = 9,865,030,150,017.98
  5. Step 5: Solve for x
    x = 9,865,030,150,017.98/2,886,347.68
  6. Step 6: Final answer
    x = 3,417,824.62

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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.