Finding the Fourth Proportional to 1,902,014.15, 2,623,249.06 and 1,672,079.81
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Solution
The fourth proportional to 1,902,014.15, 2,623,249.06 and 1,672,079.81 is: 2,306,124.68
Step by Step Solution
- Step 1: Write the proportion equation
1,902,014.15 : 2,623,249.06 = 1,672,079.81 : x - Step 2: Convert to fraction form
1,902,014.15/2,623,249.06 = 1,672,079.81/x - Step 3: Cross multiply
1,902,014.15x = 2,623,249.06 × 1,672,079.81 - Step 4: Simplify right side
1,902,014.15x = 4,386,281,779,990.12 - Step 5: Solve for x
x = 4,386,281,779,990.12/1,902,014.15 - Step 6: Final answer
x = 2,306,124.68
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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.