Finding the Fourth Proportional to 1,893,201.08, 2,612,823.15 and 1,168,030.15
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Solution
The fourth proportional to 1,893,201.08, 2,612,823.15 and 1,168,030.15 is: 1,612,008.49
Step by Step Solution
- Step 1: Write the proportion equation
1,893,201.08 : 2,612,823.15 = 1,168,030.15 : x - Step 2: Convert to fraction form
1,893,201.08/2,612,823.15 = 1,168,030.15/x - Step 3: Cross multiply
1,893,201.08x = 2,612,823.15 × 1,168,030.15 - Step 4: Simplify right side
1,893,201.08x = 3,051,856,217,729.51 - Step 5: Solve for x
x = 3,051,856,217,729.51/1,893,201.08 - Step 6: Final answer
x = 1,612,008.49
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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.