Home / 1,806,122.34-2,492,477.73-990,400.50

Finding the Fourth Proportional to 1,806,122.34, 2,492,477.73 and 990,400.50

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Solution

The fourth proportional to 1,806,122.34, 2,492,477.73 and 990,400.50 is: 1,366,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,122.34 : 2,492,477.73 = 990,400.50 : x
  2. Step 2: Convert to fraction form
    1,806,122.34/2,492,477.73 = 990,400.50/x
  3. Step 3: Cross multiply
    1,806,122.34x = 2,492,477.73 × 990,400.50
  4. Step 4: Simplify right side
    1,806,122.34x = 2,468,551,190,030.86
  5. Step 5: Solve for x
    x = 2,468,551,190,030.86/1,806,122.34
  6. Step 6: Final answer
    x = 1,366,768.54

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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.