Home / 3,316,298.40-4,973,891.13-920,386.44

Finding the Fourth Proportional to 3,316,298.40, 4,973,891.13 and 920,386.44

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Solution

The fourth proportional to 3,316,298.40, 4,973,891.13 and 920,386.44 is: 1,380,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,298.40 : 4,973,891.13 = 920,386.44 : x
  2. Step 2: Convert to fraction form
    3,316,298.40/4,973,891.13 = 920,386.44/x
  3. Step 3: Cross multiply
    3,316,298.40x = 4,973,891.13 × 920,386.44
  4. Step 4: Simplify right side
    3,316,298.40x = 4,577,901,950,088.28
  5. Step 5: Solve for x
    x = 4,577,901,950,088.28/3,316,298.40
  6. Step 6: Final answer
    x = 1,380,425.22

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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.