Home / 2,989,931.60-4,484,022.60-1,070,620.40

Finding the Fourth Proportional to 2,989,931.60, 4,484,022.60 and 1,070,620.40

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Solution

The fourth proportional to 2,989,931.60, 4,484,022.60 and 1,070,620.40 is: 1,605,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,931.60 : 4,484,022.60 = 1,070,620.40 : x
  2. Step 2: Convert to fraction form
    2,989,931.60/4,484,022.60 = 1,070,620.40/x
  3. Step 3: Cross multiply
    2,989,931.60x = 4,484,022.60 × 1,070,620.40
  4. Step 4: Simplify right side
    2,989,931.60x = 4,800,686,069,621.04
  5. Step 5: Solve for x
    x = 4,800,686,069,621.04/2,989,931.60
  6. Step 6: Final answer
    x = 1,605,617.36

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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.