Home / 2,913,090.51-4,369,649.60-891,331.20

Finding the Fourth Proportional to 2,913,090.51, 4,369,649.60 and 891,331.20

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Solution

The fourth proportional to 2,913,090.51, 4,369,649.60 and 891,331.20 is: 1,337,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,090.51 : 4,369,649.60 = 891,331.20 : x
  2. Step 2: Convert to fraction form
    2,913,090.51/4,369,649.60 = 891,331.20/x
  3. Step 3: Cross multiply
    2,913,090.51x = 4,369,649.60 × 891,331.20
  4. Step 4: Simplify right side
    2,913,090.51x = 3,894,805,017,090.86
  5. Step 5: Solve for x
    x = 3,894,805,017,090.86/2,913,090.51
  6. Step 6: Final answer
    x = 1,337,001.03

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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.