Home / 2,124,501.40-2,931,774-1,157,640.04

Finding the Fourth Proportional to 2,124,501.40, 2,931,774 and 1,157,640.04

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Solution

The fourth proportional to 2,124,501.40, 2,931,774 and 1,157,640.04 is: 1,597,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,501.40 : 2,931,774 = 1,157,640.04 : x
  2. Step 2: Convert to fraction form
    2,124,501.40/2,931,774 = 1,157,640.04/x
  3. Step 3: Cross multiply
    2,124,501.40x = 2,931,774 × 1,157,640.04
  4. Step 4: Simplify right side
    2,124,501.40x = 3,393,938,970,630.96
  5. Step 5: Solve for x
    x = 3,393,938,970,630.96/2,124,501.40
  6. Step 6: Final answer
    x = 1,597,522.59

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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.