Home / 1,953,485.60-2,927,895.60-816,245.60

Finding the Fourth Proportional to 1,953,485.60, 2,927,895.60 and 816,245.60

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Solution

The fourth proportional to 1,953,485.60, 2,927,895.60 and 816,245.60 is: 1,223,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,485.60 : 2,927,895.60 = 816,245.60 : x
  2. Step 2: Convert to fraction form
    1,953,485.60/2,927,895.60 = 816,245.60/x
  3. Step 3: Cross multiply
    1,953,485.60x = 2,927,895.60 × 816,245.60
  4. Step 4: Simplify right side
    1,953,485.60x = 2,389,881,900,759.36
  5. Step 5: Solve for x
    x = 2,389,881,900,759.36/1,953,485.60
  6. Step 6: Final answer
    x = 1,223,393.66

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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.