Home / 3,301,378.02-4,554,224.90-2,156,128.74

Finding the Fourth Proportional to 3,301,378.02, 4,554,224.90 and 2,156,128.74

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Solution

The fourth proportional to 3,301,378.02, 4,554,224.90 and 2,156,128.74 is: 2,974,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301,378.02 : 4,554,224.90 = 2,156,128.74 : x
  2. Step 2: Convert to fraction form
    3,301,378.02/4,554,224.90 = 2,156,128.74/x
  3. Step 3: Cross multiply
    3,301,378.02x = 4,554,224.90 × 2,156,128.74
  4. Step 4: Simplify right side
    3,301,378.02x = 9,819,495,195,313.63
  5. Step 5: Solve for x
    x = 9,819,495,195,313.63/3,301,378.02
  6. Step 6: Final answer
    x = 2,974,362.56

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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.