Home / 2,124,491.87-2,931,760.90-1,157,630.51

Finding the Fourth Proportional to 2,124,491.87, 2,931,760.90 and 1,157,630.51

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Solution

The fourth proportional to 2,124,491.87, 2,931,760.90 and 1,157,630.51 is: 1,597,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,491.87 : 2,931,760.90 = 1,157,630.51 : x
  2. Step 2: Convert to fraction form
    2,124,491.87/2,931,760.90 = 1,157,630.51/x
  3. Step 3: Cross multiply
    2,124,491.87x = 2,931,760.90 × 1,157,630.51
  4. Step 4: Simplify right side
    2,124,491.87x = 3,393,895,865,865.06
  5. Step 5: Solve for x
    x = 3,393,895,865,865.06/2,124,491.87
  6. Step 6: Final answer
    x = 1,597,509.46

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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.