Home / 1,880,633.92-2,595,207.72-1,021,176.40

Finding the Fourth Proportional to 1,880,633.92, 2,595,207.72 and 1,021,176.40

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Solution

The fourth proportional to 1,880,633.92, 2,595,207.72 and 1,021,176.40 is: 1,409,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,633.92 : 2,595,207.72 = 1,021,176.40 : x
  2. Step 2: Convert to fraction form
    1,880,633.92/2,595,207.72 = 1,021,176.40/x
  3. Step 3: Cross multiply
    1,880,633.92x = 2,595,207.72 × 1,021,176.40
  4. Step 4: Simplify right side
    1,880,633.92x = 2,650,164,876,761.81
  5. Step 5: Solve for x
    x = 2,650,164,876,761.81/1,880,633.92
  6. Step 6: Final answer
    x = 1,409,187.00

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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.