Finding the Fourth Proportional to 1,675,276.72, 2,312,738.04 and 1,292,444.08
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Solution
The fourth proportional to 1,675,276.72, 2,312,738.04 and 1,292,444.08 is: 1,784,233.35
Step by Step Solution
- Step 1: Write the proportion equation
1,675,276.72 : 2,312,738.04 = 1,292,444.08 : x - Step 2: Convert to fraction form
1,675,276.72/2,312,738.04 = 1,292,444.08/x - Step 3: Cross multiply
1,675,276.72x = 2,312,738.04 × 1,292,444.08 - Step 4: Simplify right side
1,675,276.72x = 2,989,084,588,388.80 - Step 5: Solve for x
x = 2,989,084,588,388.80/1,675,276.72 - Step 6: Final answer
x = 1,784,233.35
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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.