Home / 1,918,376.72-2,648,420.52-1,154,618

Finding the Fourth Proportional to 1,918,376.72, 2,648,420.52 and 1,154,618

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Solution

The fourth proportional to 1,918,376.72, 2,648,420.52 and 1,154,618 is: 1,594,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,376.72 : 2,648,420.52 = 1,154,618 : x
  2. Step 2: Convert to fraction form
    1,918,376.72/2,648,420.52 = 1,154,618/x
  3. Step 3: Cross multiply
    1,918,376.72x = 2,648,420.52 × 1,154,618
  4. Step 4: Simplify right side
    1,918,376.72x = 3,057,914,003,961.36
  5. Step 5: Solve for x
    x = 3,057,914,003,961.36/1,918,376.72
  6. Step 6: Final answer
    x = 1,594,011.21

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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.