Finding the Fourth Proportional to 1,678,259.79, 2,316,165.75 and 1,024,849.80
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Solution
The fourth proportional to 1,678,259.79, 2,316,165.75 and 1,024,849.80 is: 1,414,394.85
Step by Step Solution
- Step 1: Write the proportion equation
1,678,259.79 : 2,316,165.75 = 1,024,849.80 : x - Step 2: Convert to fraction form
1,678,259.79/2,316,165.75 = 1,024,849.80/x - Step 3: Cross multiply
1,678,259.79x = 2,316,165.75 × 1,024,849.80 - Step 4: Simplify right side
1,678,259.79x = 2,373,722,005,654.35 - Step 5: Solve for x
x = 2,373,722,005,654.35/1,678,259.79 - Step 6: Final answer
x = 1,414,394.85
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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.