Home / 1,637,345.40-2,456,018.10-1,626,847.80

Finding the Fourth Proportional to 1,637,345.40, 2,456,018.10 and 1,626,847.80

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Solution

The fourth proportional to 1,637,345.40, 2,456,018.10 and 1,626,847.80 is: 2,440,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,345.40 : 2,456,018.10 = 1,626,847.80 : x
  2. Step 2: Convert to fraction form
    1,637,345.40/2,456,018.10 = 1,626,847.80/x
  3. Step 3: Cross multiply
    1,637,345.40x = 2,456,018.10 × 1,626,847.80
  4. Step 4: Simplify right side
    1,637,345.40x = 3,995,567,642,745.18
  5. Step 5: Solve for x
    x = 3,995,567,642,745.18/1,637,345.40
  6. Step 6: Final answer
    x = 2,440,271.70

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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.