Home / 1,721,747.80-2,582,621.70-1,091,373.40

Finding the Fourth Proportional to 1,721,747.80, 2,582,621.70 and 1,091,373.40

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Solution

The fourth proportional to 1,721,747.80, 2,582,621.70 and 1,091,373.40 is: 1,637,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,747.80 : 2,582,621.70 = 1,091,373.40 : x
  2. Step 2: Convert to fraction form
    1,721,747.80/2,582,621.70 = 1,091,373.40/x
  3. Step 3: Cross multiply
    1,721,747.80x = 2,582,621.70 × 1,091,373.40
  4. Step 4: Simplify right side
    1,721,747.80x = 2,818,604,625,642.78
  5. Step 5: Solve for x
    x = 2,818,604,625,642.78/1,721,747.80
  6. Step 6: Final answer
    x = 1,637,060.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.