Home / 1,897,613-2,620,301.54-1,355,411.96

Finding the Fourth Proportional to 1,897,613, 2,620,301.54 and 1,355,411.96

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Solution

The fourth proportional to 1,897,613, 2,620,301.54 and 1,355,411.96 is: 1,871,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,613 : 2,620,301.54 = 1,355,411.96 : x
  2. Step 2: Convert to fraction form
    1,897,613/2,620,301.54 = 1,355,411.96/x
  3. Step 3: Cross multiply
    1,897,613x = 2,620,301.54 × 1,355,411.96
  4. Step 4: Simplify right side
    1,897,613x = 3,551,588,046,122.42
  5. Step 5: Solve for x
    x = 3,551,588,046,122.42/1,897,613
  6. Step 6: Final answer
    x = 1,871,608.20

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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.