Home / 1,508,900.37-2,087,765.61-1,315,710.93

Finding the Fourth Proportional to 1,508,900.37, 2,087,765.61 and 1,315,710.93

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Solution

The fourth proportional to 1,508,900.37, 2,087,765.61 and 1,315,710.93 is: 1,820,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,900.37 : 2,087,765.61 = 1,315,710.93 : x
  2. Step 2: Convert to fraction form
    1,508,900.37/2,087,765.61 = 1,315,710.93/x
  3. Step 3: Cross multiply
    1,508,900.37x = 2,087,765.61 × 1,315,710.93
  4. Step 4: Simplify right side
    1,508,900.37x = 2,746,896,032,355.12
  5. Step 5: Solve for x
    x = 2,746,896,032,355.12/1,508,900.37
  6. Step 6: Final answer
    x = 1,820,462.16

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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.