Home / 2,119,457.59-2,924,928.57-1,214,214.55

Finding the Fourth Proportional to 2,119,457.59, 2,924,928.57 and 1,214,214.55

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Solution

The fourth proportional to 2,119,457.59, 2,924,928.57 and 1,214,214.55 is: 1,675,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,457.59 : 2,924,928.57 = 1,214,214.55 : x
  2. Step 2: Convert to fraction form
    2,119,457.59/2,924,928.57 = 1,214,214.55/x
  3. Step 3: Cross multiply
    2,119,457.59x = 2,924,928.57 × 1,214,214.55
  4. Step 4: Simplify right side
    2,119,457.59x = 3,551,490,827,404.69
  5. Step 5: Solve for x
    x = 3,551,490,827,404.69/2,119,457.59
  6. Step 6: Final answer
    x = 1,675,660.25

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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.