Finding the Fourth Proportional to 3,114,830.75, 4,298,466.44 and 1,684,046.75
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Solution
The fourth proportional to 3,114,830.75, 4,298,466.44 and 1,684,046.75 is: 2,323,984.52
Step by Step Solution
- Step 1: Write the proportion equation
3,114,830.75 : 4,298,466.44 = 1,684,046.75 : x - Step 2: Convert to fraction form
3,114,830.75/4,298,466.44 = 1,684,046.75/x - Step 3: Cross multiply
3,114,830.75x = 4,298,466.44 × 1,684,046.75 - Step 4: Simplify right side
3,114,830.75x = 7,238,818,438,266.07 - Step 5: Solve for x
x = 7,238,818,438,266.07/3,114,830.75 - Step 6: Final answer
x = 2,323,984.52
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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.