Home / 2,419,430.16-3,338,787.18-1,331,678.40

Finding the Fourth Proportional to 2,419,430.16, 3,338,787.18 and 1,331,678.40

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Solution

The fourth proportional to 2,419,430.16, 3,338,787.18 and 1,331,678.40 is: 1,837,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,430.16 : 3,338,787.18 = 1,331,678.40 : x
  2. Step 2: Convert to fraction form
    2,419,430.16/3,338,787.18 = 1,331,678.40/x
  3. Step 3: Cross multiply
    2,419,430.16x = 3,338,787.18 × 1,331,678.40
  4. Step 4: Simplify right side
    2,419,430.16x = 4,446,190,769,802.91
  5. Step 5: Solve for x
    x = 4,446,190,769,802.91/2,419,430.16
  6. Step 6: Final answer
    x = 1,837,701.64

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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.