Home / 2,798,178.40-4,197,267.60-906,277.60

Finding the Fourth Proportional to 2,798,178.40, 4,197,267.60 and 906,277.60

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Solution

The fourth proportional to 2,798,178.40, 4,197,267.60 and 906,277.60 is: 1,359,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,178.40 : 4,197,267.60 = 906,277.60 : x
  2. Step 2: Convert to fraction form
    2,798,178.40/4,197,267.60 = 906,277.60/x
  3. Step 3: Cross multiply
    2,798,178.40x = 4,197,267.60 × 906,277.60
  4. Step 4: Simplify right side
    2,798,178.40x = 3,803,889,607,085.76
  5. Step 5: Solve for x
    x = 3,803,889,607,085.76/2,798,178.40
  6. Step 6: Final answer
    x = 1,359,416.40

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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.