Home / 1,916,924.64-2,645,364.67-1,057,484.67

Finding the Fourth Proportional to 1,916,924.64, 2,645,364.67 and 1,057,484.67

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Solution

The fourth proportional to 1,916,924.64, 2,645,364.67 and 1,057,484.67 is: 1,459,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,924.64 : 2,645,364.67 = 1,057,484.67 : x
  2. Step 2: Convert to fraction form
    1,916,924.64/2,645,364.67 = 1,057,484.67/x
  3. Step 3: Cross multiply
    1,916,924.64x = 2,645,364.67 × 1,057,484.67
  4. Step 4: Simplify right side
    1,916,924.64x = 2,797,432,578,469.13
  5. Step 5: Solve for x
    x = 2,797,432,578,469.13/1,916,924.64
  6. Step 6: Final answer
    x = 1,459,333.63

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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.