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Finding the Fourth Proportional to 2,866,398.03, 3,955,510.67 and 1,559,655.45

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Solution

The fourth proportional to 2,866,398.03, 3,955,510.67 and 1,559,655.45 is: 2,152,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,398.03 : 3,955,510.67 = 1,559,655.45 : x
  2. Step 2: Convert to fraction form
    2,866,398.03/3,955,510.67 = 1,559,655.45/x
  3. Step 3: Cross multiply
    2,866,398.03x = 3,955,510.67 × 1,559,655.45
  4. Step 4: Simplify right side
    2,866,398.03x = 6,169,233,766,200.37
  5. Step 5: Solve for x
    x = 6,169,233,766,200.37/2,866,398.03
  6. Step 6: Final answer
    x = 2,152,259.98

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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.