Home / 1,956,709.48-2,699,114.98-1,230,407.40

Finding the Fourth Proportional to 1,956,709.48, 2,699,114.98 and 1,230,407.40

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Solution

The fourth proportional to 1,956,709.48, 2,699,114.98 and 1,230,407.40 is: 1,697,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,709.48 : 2,699,114.98 = 1,230,407.40 : x
  2. Step 2: Convert to fraction form
    1,956,709.48/2,699,114.98 = 1,230,407.40/x
  3. Step 3: Cross multiply
    1,956,709.48x = 2,699,114.98 × 1,230,407.40
  4. Step 4: Simplify right side
    1,956,709.48x = 3,321,011,044,842.85
  5. Step 5: Solve for x
    x = 3,321,011,044,842.85/1,956,709.48
  6. Step 6: Final answer
    x = 1,697,242.78

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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.