Finding the Fourth Proportional to 2,390,370.63, 3,298,594.02 and 1,302,638.85
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Solution
The fourth proportional to 2,390,370.63, 3,298,594.02 and 1,302,638.85 is: 1,797,577.61
Step by Step Solution
- Step 1: Write the proportion equation
2,390,370.63 : 3,298,594.02 = 1,302,638.85 : x - Step 2: Convert to fraction form
2,390,370.63/3,298,594.02 = 1,302,638.85/x - Step 3: Cross multiply
2,390,370.63x = 3,298,594.02 × 1,302,638.85 - Step 4: Simplify right side
2,390,370.63x = 4,296,876,720,829.68 - Step 5: Solve for x
x = 4,296,876,720,829.68/2,390,370.63 - Step 6: Final answer
x = 1,797,577.61
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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.