Home / 1,440,047.40-2,155,923.90-1,398,575.40

Finding the Fourth Proportional to 1,440,047.40, 2,155,923.90 and 1,398,575.40

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Solution

The fourth proportional to 1,440,047.40, 2,155,923.90 and 1,398,575.40 is: 2,093,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,047.40 : 2,155,923.90 = 1,398,575.40 : x
  2. Step 2: Convert to fraction form
    1,440,047.40/2,155,923.90 = 1,398,575.40/x
  3. Step 3: Cross multiply
    1,440,047.40x = 2,155,923.90 × 1,398,575.40
  4. Step 4: Simplify right side
    1,440,047.40x = 3,015,222,130,812.06
  5. Step 5: Solve for x
    x = 3,015,222,130,812.06/1,440,047.40
  6. Step 6: Final answer
    x = 2,093,835.34

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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.