Finding the Fourth Proportional to 1,897,482.24, 2,618,516.16 and 1,038,026.88
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Solution
The fourth proportional to 1,897,482.24, 2,618,516.16 and 1,038,026.88 is: 1,432,471.99
Step by Step Solution
- Step 1: Write the proportion equation
1,897,482.24 : 2,618,516.16 = 1,038,026.88 : x - Step 2: Convert to fraction form
1,897,482.24/2,618,516.16 = 1,038,026.88/x - Step 3: Cross multiply
1,897,482.24x = 2,618,516.16 × 1,038,026.88 - Step 4: Simplify right side
1,897,482.24x = 2,718,090,159,794.38 - Step 5: Solve for x
x = 2,718,090,159,794.38/1,897,482.24 - Step 6: Final answer
x = 1,432,471.99
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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.