Finding the Fourth Proportional to 1,641,964.56, 2,265,887.58 and 916,823.70
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Solution
The fourth proportional to 1,641,964.56, 2,265,887.58 and 916,823.70 is: 1,265,203.58
Step by Step Solution
- Step 1: Write the proportion equation
1,641,964.56 : 2,265,887.58 = 916,823.70 : x - Step 2: Convert to fraction form
1,641,964.56/2,265,887.58 = 916,823.70/x - Step 3: Cross multiply
1,641,964.56x = 2,265,887.58 × 916,823.70 - Step 4: Simplify right side
1,641,964.56x = 2,077,419,434,879.65 - Step 5: Solve for x
x = 2,077,419,434,879.65/1,641,964.56 - Step 6: Final answer
x = 1,265,203.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.