Home / 1,688,322.07-2,328,310.54-1,562,924.76

Finding the Fourth Proportional to 1,688,322.07, 2,328,310.54 and 1,562,924.76

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Solution

The fourth proportional to 1,688,322.07, 2,328,310.54 and 1,562,924.76 is: 2,155,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,322.07 : 2,328,310.54 = 1,562,924.76 : x
  2. Step 2: Convert to fraction form
    1,688,322.07/2,328,310.54 = 1,562,924.76/x
  3. Step 3: Cross multiply
    1,688,322.07x = 2,328,310.54 × 1,562,924.76
  4. Step 4: Simplify right side
    1,688,322.07x = 3,638,974,191,934.97
  5. Step 5: Solve for x
    x = 3,638,974,191,934.97/1,688,322.07
  6. Step 6: Final answer
    x = 2,155,379.15

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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.