Home / 1,917,060.63-2,645,528.90-1,057,657.11

Finding the Fourth Proportional to 1,917,060.63, 2,645,528.90 and 1,057,657.11

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Solution

The fourth proportional to 1,917,060.63, 2,645,528.90 and 1,057,657.11 is: 1,459,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,060.63 : 2,645,528.90 = 1,057,657.11 : x
  2. Step 2: Convert to fraction form
    1,917,060.63/2,645,528.90 = 1,057,657.11/x
  3. Step 3: Cross multiply
    1,917,060.63x = 2,645,528.90 × 1,057,657.11
  4. Step 4: Simplify right side
    1,917,060.63x = 2,798,062,445,507.19
  5. Step 5: Solve for x
    x = 2,798,062,445,507.19/1,917,060.63
  6. Step 6: Final answer
    x = 1,459,558.66

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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.