Home / 2,124,603.76-2,931,861-1,206,830.02

Finding the Fourth Proportional to 2,124,603.76, 2,931,861 and 1,206,830.02

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Solution

The fourth proportional to 2,124,603.76, 2,931,861 and 1,206,830.02 is: 1,665,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,603.76 : 2,931,861 = 1,206,830.02 : x
  2. Step 2: Convert to fraction form
    2,124,603.76/2,931,861 = 1,206,830.02/x
  3. Step 3: Cross multiply
    2,124,603.76x = 2,931,861 × 1,206,830.02
  4. Step 4: Simplify right side
    2,124,603.76x = 3,538,257,869,267.22
  5. Step 5: Solve for x
    x = 3,538,257,869,267.22/2,124,603.76
  6. Step 6: Final answer
    x = 1,665,373.06

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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.