Home / 3,139,528.40-4,709,292.60-2,908,581.20

Finding the Fourth Proportional to 3,139,528.40, 4,709,292.60 and 2,908,581.20

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Solution

The fourth proportional to 3,139,528.40, 4,709,292.60 and 2,908,581.20 is: 4,362,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,528.40 : 4,709,292.60 = 2,908,581.20 : x
  2. Step 2: Convert to fraction form
    3,139,528.40/4,709,292.60 = 2,908,581.20/x
  3. Step 3: Cross multiply
    3,139,528.40x = 4,709,292.60 × 2,908,581.20
  4. Step 4: Simplify right side
    3,139,528.40x = 13,697,359,921,659.12
  5. Step 5: Solve for x
    x = 13,697,359,921,659.12/3,139,528.40
  6. Step 6: Final answer
    x = 4,362,871.80

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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.