Home / 1,365,927.60-1,885,139.53-1,136,079.37

Finding the Fourth Proportional to 1,365,927.60, 1,885,139.53 and 1,136,079.37

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Solution

The fourth proportional to 1,365,927.60, 1,885,139.53 and 1,136,079.37 is: 1,567,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,927.60 : 1,885,139.53 = 1,136,079.37 : x
  2. Step 2: Convert to fraction form
    1,365,927.60/1,885,139.53 = 1,136,079.37/x
  3. Step 3: Cross multiply
    1,365,927.60x = 1,885,139.53 × 1,136,079.37
  4. Step 4: Simplify right side
    1,365,927.60x = 2,141,668,129,120.72
  5. Step 5: Solve for x
    x = 2,141,668,129,120.72/1,365,927.60
  6. Step 6: Final answer
    x = 1,567,922.14

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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.