Home / 3,620,510.64-4,996,307.96-1,989,023.68

Finding the Fourth Proportional to 3,620,510.64, 4,996,307.96 and 1,989,023.68

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Solution

The fourth proportional to 3,620,510.64, 4,996,307.96 and 1,989,023.68 is: 2,744,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,510.64 : 4,996,307.96 = 1,989,023.68 : x
  2. Step 2: Convert to fraction form
    3,620,510.64/4,996,307.96 = 1,989,023.68/x
  3. Step 3: Cross multiply
    3,620,510.64x = 4,996,307.96 × 1,989,023.68
  4. Step 4: Simplify right side
    3,620,510.64x = 9,937,774,845,012.49
  5. Step 5: Solve for x
    x = 9,937,774,845,012.49/3,620,510.64
  6. Step 6: Final answer
    x = 2,744,854.48

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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.