Home / 1,980,540.90-2,733,154.65-1,121,266.98

Finding the Fourth Proportional to 1,980,540.90, 2,733,154.65 and 1,121,266.98

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Solution

The fourth proportional to 1,980,540.90, 2,733,154.65 and 1,121,266.98 is: 1,547,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,540.90 : 2,733,154.65 = 1,121,266.98 : x
  2. Step 2: Convert to fraction form
    1,980,540.90/2,733,154.65 = 1,121,266.98/x
  3. Step 3: Cross multiply
    1,980,540.90x = 2,733,154.65 × 1,121,266.98
  4. Step 4: Simplify right side
    1,980,540.90x = 3,064,596,060,278.46
  5. Step 5: Solve for x
    x = 3,064,596,060,278.46/1,980,540.90
  6. Step 6: Final answer
    x = 1,547,353.08

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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.