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Finding the Fourth Proportional to 2,984,856.60, 4,477,266.66 and 854,944.60

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Solution

The fourth proportional to 2,984,856.60, 4,477,266.66 and 854,944.60 is: 1,282,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,856.60 : 4,477,266.66 = 854,944.60 : x
  2. Step 2: Convert to fraction form
    2,984,856.60/4,477,266.66 = 854,944.60/x
  3. Step 3: Cross multiply
    2,984,856.60x = 4,477,266.66 × 854,944.60
  4. Step 4: Simplify right side
    2,984,856.60x = 3,827,814,953,727.04
  5. Step 5: Solve for x
    x = 3,827,814,953,727.04/2,984,856.60
  6. Step 6: Final answer
    x = 1,282,411.68

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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.