Home / 1,938,513.24-2,675,398.98-1,111,909.32

Finding the Fourth Proportional to 1,938,513.24, 2,675,398.98 and 1,111,909.32

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Solution

The fourth proportional to 1,938,513.24, 2,675,398.98 and 1,111,909.32 is: 1,534,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,513.24 : 2,675,398.98 = 1,111,909.32 : x
  2. Step 2: Convert to fraction form
    1,938,513.24/2,675,398.98 = 1,111,909.32/x
  3. Step 3: Cross multiply
    1,938,513.24x = 2,675,398.98 × 1,111,909.32
  4. Step 4: Simplify right side
    1,938,513.24x = 2,974,801,060,580.49
  5. Step 5: Solve for x
    x = 2,974,801,060,580.49/1,938,513.24
  6. Step 6: Final answer
    x = 1,534,578.67

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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.