Home / 2,999,603.09-4,139,569.74-1,692,900.78

Finding the Fourth Proportional to 2,999,603.09, 4,139,569.74 and 1,692,900.78

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Solution

The fourth proportional to 2,999,603.09, 4,139,569.74 and 1,692,900.78 is: 2,336,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,603.09 : 4,139,569.74 = 1,692,900.78 : x
  2. Step 2: Convert to fraction form
    2,999,603.09/4,139,569.74 = 1,692,900.78/x
  3. Step 3: Cross multiply
    2,999,603.09x = 4,139,569.74 × 1,692,900.78
  4. Step 4: Simplify right side
    2,999,603.09x = 7,007,880,841,710.40
  5. Step 5: Solve for x
    x = 7,007,880,841,710.40/2,999,603.09
  6. Step 6: Final answer
    x = 2,336,269.38

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1.5x scale

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.