Home / 2,909,663.34-4,015,459.47-1,620,503.72

Finding the Fourth Proportional to 2,909,663.34, 4,015,459.47 and 1,620,503.72

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Solution

The fourth proportional to 2,909,663.34, 4,015,459.47 and 1,620,503.72 is: 2,236,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,663.34 : 4,015,459.47 = 1,620,503.72 : x
  2. Step 2: Convert to fraction form
    2,909,663.34/4,015,459.47 = 1,620,503.72/x
  3. Step 3: Cross multiply
    2,909,663.34x = 4,015,459.47 × 1,620,503.72
  4. Step 4: Simplify right side
    2,909,663.34x = 6,507,066,988,566.93
  5. Step 5: Solve for x
    x = 6,507,066,988,566.93/2,909,663.34
  6. Step 6: Final answer
    x = 2,236,364.22

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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.