Home / 1,533,011.84-2,115,621.72-853,948.64

Finding the Fourth Proportional to 1,533,011.84, 2,115,621.72 and 853,948.64

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Solution

The fourth proportional to 1,533,011.84, 2,115,621.72 and 853,948.64 is: 1,178,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,011.84 : 2,115,621.72 = 853,948.64 : x
  2. Step 2: Convert to fraction form
    1,533,011.84/2,115,621.72 = 853,948.64/x
  3. Step 3: Cross multiply
    1,533,011.84x = 2,115,621.72 × 853,948.64
  4. Step 4: Simplify right side
    1,533,011.84x = 1,806,632,290,548.46
  5. Step 5: Solve for x
    x = 1,806,632,290,548.46/1,533,011.84
  6. Step 6: Final answer
    x = 1,178,485.54

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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.