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Finding the Fourth Proportional to 3,315,710.72, 4,973,281.15 and 2,018,526.40

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Solution

The fourth proportional to 3,315,710.72, 4,973,281.15 and 2,018,526.40 is: 3,027,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,710.72 : 4,973,281.15 = 2,018,526.40 : x
  2. Step 2: Convert to fraction form
    3,315,710.72/4,973,281.15 = 2,018,526.40/x
  3. Step 3: Cross multiply
    3,315,710.72x = 4,973,281.15 × 2,018,526.40
  4. Step 4: Simplify right side
    3,315,710.72x = 10,038,699,295,897.36
  5. Step 5: Solve for x
    x = 10,038,699,295,897.36/3,315,710.72
  6. Step 6: Final answer
    x = 3,027,616.14

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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.