Home / 4,255,643.40-6,384,048.30-1,415,459.40

Finding the Fourth Proportional to 4,255,643.40, 6,384,048.30 and 1,415,459.40

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Solution

The fourth proportional to 4,255,643.40, 6,384,048.30 and 1,415,459.40 is: 2,123,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255,643.40 : 6,384,048.30 = 1,415,459.40 : x
  2. Step 2: Convert to fraction form
    4,255,643.40/6,384,048.30 = 1,415,459.40/x
  3. Step 3: Cross multiply
    4,255,643.40x = 6,384,048.30 × 1,415,459.40
  4. Step 4: Simplify right side
    4,255,643.40x = 9,036,361,176,289.02
  5. Step 5: Solve for x
    x = 9,036,361,176,289.02/4,255,643.40
  6. Step 6: Final answer
    x = 2,123,383.08

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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.