Finding the Fourth Proportional to 2,660,728.68, 3,671,809.11 and 1,514,809.08
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Solution
The fourth proportional to 2,660,728.68, 3,671,809.11 and 1,514,809.08 is: 2,090,438.54
Step by Step Solution
- Step 1: Write the proportion equation
2,660,728.68 : 3,671,809.11 = 1,514,809.08 : x - Step 2: Convert to fraction form
2,660,728.68/3,671,809.11 = 1,514,809.08/x - Step 3: Cross multiply
2,660,728.68x = 3,671,809.11 × 1,514,809.08 - Step 4: Simplify right side
2,660,728.68x = 5,562,089,779,854.72 - Step 5: Solve for x
x = 5,562,089,779,854.72/2,660,728.68 - Step 6: Final answer
x = 2,090,438.54
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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.