Home / 1,559,970.96-2,150,678.16-1,238,744.40

Finding the Fourth Proportional to 1,559,970.96, 2,150,678.16 and 1,238,744.40

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Solution

The fourth proportional to 1,559,970.96, 2,150,678.16 and 1,238,744.40 is: 1,707,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,970.96 : 2,150,678.16 = 1,238,744.40 : x
  2. Step 2: Convert to fraction form
    1,559,970.96/2,150,678.16 = 1,238,744.40/x
  3. Step 3: Cross multiply
    1,559,970.96x = 2,150,678.16 × 1,238,744.40
  4. Step 4: Simplify right side
    1,559,970.96x = 2,664,140,526,902.30
  5. Step 5: Solve for x
    x = 2,664,140,526,902.30/1,559,970.96
  6. Step 6: Final answer
    x = 1,707,814.18

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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.