Home / 2,578,342.72-3,557,904.66-1,490,684.40

Finding the Fourth Proportional to 2,578,342.72, 3,557,904.66 and 1,490,684.40

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Solution

The fourth proportional to 2,578,342.72, 3,557,904.66 and 1,490,684.40 is: 2,057,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,342.72 : 3,557,904.66 = 1,490,684.40 : x
  2. Step 2: Convert to fraction form
    2,578,342.72/3,557,904.66 = 1,490,684.40/x
  3. Step 3: Cross multiply
    2,578,342.72x = 3,557,904.66 × 1,490,684.40
  4. Step 4: Simplify right side
    2,578,342.72x = 5,303,712,973,349.30
  5. Step 5: Solve for x
    x = 5,303,712,973,349.30/2,578,342.72
  6. Step 6: Final answer
    x = 2,057,024.05

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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.