Finding the Fourth Proportional to 1,926,161.98, 2,656,823.63 and 1,238,702.98
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Solution
The fourth proportional to 1,926,161.98, 2,656,823.63 and 1,238,702.98 is: 1,708,587.02
Step by Step Solution
- Step 1: Write the proportion equation
1,926,161.98 : 2,656,823.63 = 1,238,702.98 : x - Step 2: Convert to fraction form
1,926,161.98/2,656,823.63 = 1,238,702.98/x - Step 3: Cross multiply
1,926,161.98x = 2,656,823.63 × 1,238,702.98 - Step 4: Simplify right side
1,926,161.98x = 3,291,015,347,815.42 - Step 5: Solve for x
x = 3,291,015,347,815.42/1,926,161.98 - Step 6: Final answer
x = 1,708,587.02
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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.