Finding the Fourth Proportional to 2,390,368.91, 3,298,625.28 and 1,302,618.29
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Solution
The fourth proportional to 2,390,368.91, 3,298,625.28 and 1,302,618.29 is: 1,797,567.56
Step by Step Solution
- Step 1: Write the proportion equation
2,390,368.91 : 3,298,625.28 = 1,302,618.29 : x - Step 2: Convert to fraction form
2,390,368.91/3,298,625.28 = 1,302,618.29/x - Step 3: Cross multiply
2,390,368.91x = 3,298,625.28 × 1,302,618.29 - Step 4: Simplify right side
2,390,368.91x = 4,296,849,605,091.24 - Step 5: Solve for x
x = 4,296,849,605,091.24/2,390,368.91 - Step 6: Final answer
x = 1,797,567.56
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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.