Finding the Fourth Proportional to 1,474,779.18, 2,035,232.92 and 830,221.98
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Solution
The fourth proportional to 1,474,779.18, 2,035,232.92 and 830,221.98 is: 1,145,727.53
Step by Step Solution
- Step 1: Write the proportion equation
1,474,779.18 : 2,035,232.92 = 830,221.98 : x - Step 2: Convert to fraction form
1,474,779.18/2,035,232.92 = 830,221.98/x - Step 3: Cross multiply
1,474,779.18x = 2,035,232.92 × 830,221.98 - Step 4: Simplify right side
1,474,779.18x = 1,689,695,104,603.58 - Step 5: Solve for x
x = 1,689,695,104,603.58/1,474,779.18 - Step 6: Final answer
x = 1,145,727.53
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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.