Finding the Fourth Proportional to 6,646,143.25, 9,968,328.98 and 1,853,431.17
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Solution
The fourth proportional to 6,646,143.25, 9,968,328.98 and 1,853,431.17 is: 2,779,899.70
Step by Step Solution
- Step 1: Write the proportion equation
6,646,143.25 : 9,968,328.98 = 1,853,431.17 : x - Step 2: Convert to fraction form
6,646,143.25/9,968,328.98 = 1,853,431.17/x - Step 3: Cross multiply
6,646,143.25x = 9,968,328.98 × 1,853,431.17 - Step 4: Simplify right side
6,646,143.25x = 18,475,611,604,648.29 - Step 5: Solve for x
x = 18,475,611,604,648.29/6,646,143.25 - Step 6: Final answer
x = 2,779,899.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.