Home / 2,590,471.84-3,574,874.40-1,428,962.56

Finding the Fourth Proportional to 2,590,471.84, 3,574,874.40 and 1,428,962.56

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Solution

The fourth proportional to 2,590,471.84, 3,574,874.40 and 1,428,962.56 is: 1,971,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,471.84 : 3,574,874.40 = 1,428,962.56 : x
  2. Step 2: Convert to fraction form
    2,590,471.84/3,574,874.40 = 1,428,962.56/x
  3. Step 3: Cross multiply
    2,590,471.84x = 3,574,874.40 × 1,428,962.56
  4. Step 4: Simplify right side
    2,590,471.84x = 5,108,361,674,302.46
  5. Step 5: Solve for x
    x = 5,108,361,674,302.46/2,590,471.84
  6. Step 6: Final answer
    x = 1,971,981.16

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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.