Home / 2,154,791.16-2,973,880.98-1,237,307.40

Finding the Fourth Proportional to 2,154,791.16, 2,973,880.98 and 1,237,307.40

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Solution

The fourth proportional to 2,154,791.16, 2,973,880.98 and 1,237,307.40 is: 1,707,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,791.16 : 2,973,880.98 = 1,237,307.40 : x
  2. Step 2: Convert to fraction form
    2,154,791.16/2,973,880.98 = 1,237,307.40/x
  3. Step 3: Cross multiply
    2,154,791.16x = 2,973,880.98 × 1,237,307.40
  4. Step 4: Simplify right side
    2,154,791.16x = 3,679,604,943,273.25
  5. Step 5: Solve for x
    x = 3,679,604,943,273.25/2,154,791.16
  6. Step 6: Final answer
    x = 1,707,638.78

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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.