Finding the Fourth Proportional to 1,712,486.72, 2,363,247.92 and 938,135.68
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Solution
The fourth proportional to 1,712,486.72, 2,363,247.92 and 938,135.68 is: 1,294,636.14
Step by Step Solution
- Step 1: Write the proportion equation
1,712,486.72 : 2,363,247.92 = 938,135.68 : x - Step 2: Convert to fraction form
1,712,486.72/2,363,247.92 = 938,135.68/x - Step 3: Cross multiply
1,712,486.72x = 2,363,247.92 × 938,135.68 - Step 4: Simplify right side
1,712,486.72x = 2,217,047,194,437.79 - Step 5: Solve for x
x = 2,217,047,194,437.79/1,712,486.72 - Step 6: Final answer
x = 1,294,636.14
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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.