Finding the Fourth Proportional to 1,608,779.27, 2,220,133.66 and 883,643.99
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Solution
The fourth proportional to 1,608,779.27, 2,220,133.66 and 883,643.99 is: 1,219,438.73
Step by Step Solution
- Step 1: Write the proportion equation
1,608,779.27 : 2,220,133.66 = 883,643.99 : x - Step 2: Convert to fraction form
1,608,779.27/2,220,133.66 = 883,643.99/x - Step 3: Cross multiply
1,608,779.27x = 2,220,133.66 × 883,643.99 - Step 4: Simplify right side
1,608,779.27x = 1,961,807,752,345.93 - Step 5: Solve for x
x = 1,961,807,752,345.93/1,608,779.27 - Step 6: Final answer
x = 1,219,438.73
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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.