Home / 1,885,430.72-2,601,953.08-1,069,668.79

Finding the Fourth Proportional to 1,885,430.72, 2,601,953.08 and 1,069,668.79

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Solution

The fourth proportional to 1,885,430.72, 2,601,953.08 and 1,069,668.79 is: 1,476,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,430.72 : 2,601,953.08 = 1,069,668.79 : x
  2. Step 2: Convert to fraction form
    1,885,430.72/2,601,953.08 = 1,069,668.79/x
  3. Step 3: Cross multiply
    1,885,430.72x = 2,601,953.08 × 1,069,668.79
  4. Step 4: Simplify right side
    1,885,430.72x = 2,783,227,993,541.32
  5. Step 5: Solve for x
    x = 2,783,227,993,541.32/1,885,430.72
  6. Step 6: Final answer
    x = 1,476,176.22

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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.