Home / 1,790,862.17-2,470,989.69-1,501,643.57

Finding the Fourth Proportional to 1,790,862.17, 2,470,989.69 and 1,501,643.57

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Solution

The fourth proportional to 1,790,862.17, 2,470,989.69 and 1,501,643.57 is: 2,071,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,862.17 : 2,470,989.69 = 1,501,643.57 : x
  2. Step 2: Convert to fraction form
    1,790,862.17/2,470,989.69 = 1,501,643.57/x
  3. Step 3: Cross multiply
    1,790,862.17x = 2,470,989.69 × 1,501,643.57
  4. Step 4: Simplify right side
    1,790,862.17x = 3,710,545,767,169.85
  5. Step 5: Solve for x
    x = 3,710,545,767,169.85/1,790,862.17
  6. Step 6: Final answer
    x = 2,071,932.64

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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.