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Finding the Fourth Proportional to 4,862,393.94, 7,293,901.95 and 1,870,577.94

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Solution

The fourth proportional to 4,862,393.94, 7,293,901.95 and 1,870,577.94 is: 2,805,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862,393.94 : 7,293,901.95 = 1,870,577.94 : x
  2. Step 2: Convert to fraction form
    4,862,393.94/7,293,901.95 = 1,870,577.94/x
  3. Step 3: Cross multiply
    4,862,393.94x = 7,293,901.95 × 1,870,577.94
  4. Step 4: Simplify right side
    4,862,393.94x = 13,643,812,084,192.98
  5. Step 5: Solve for x
    x = 13,643,812,084,192.98/4,862,393.94
  6. Step 6: Final answer
    x = 2,805,986.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.