Finding the Fourth Proportional to 1,557,383.04, 2,149,158.96 and 878,319.36
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Solution
The fourth proportional to 1,557,383.04, 2,149,158.96 and 878,319.36 is: 1,212,064.00
Step by Step Solution
- Step 1: Write the proportion equation
1,557,383.04 : 2,149,158.96 = 878,319.36 : x - Step 2: Convert to fraction form
1,557,383.04/2,149,158.96 = 878,319.36/x - Step 3: Cross multiply
1,557,383.04x = 2,149,158.96 × 878,319.36 - Step 4: Simplify right side
1,557,383.04x = 1,887,647,922,285.47 - Step 5: Solve for x
x = 1,887,647,922,285.47/1,557,383.04 - Step 6: Final answer
x = 1,212,064.00
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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.