Finding the Fourth Proportional to 1,626,131.84, 2,243,986.34 and 891,081.74
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Solution
The fourth proportional to 1,626,131.84, 2,243,986.34 and 891,081.74 is: 1,229,651.38
Step by Step Solution
- Step 1: Write the proportion equation
1,626,131.84 : 2,243,986.34 = 891,081.74 : x - Step 2: Convert to fraction form
1,626,131.84/2,243,986.34 = 891,081.74/x - Step 3: Cross multiply
1,626,131.84x = 2,243,986.34 × 891,081.74 - Step 4: Simplify right side
1,626,131.84x = 1,999,575,253,537.99 - Step 5: Solve for x
x = 1,999,575,253,537.99/1,626,131.84 - Step 6: Final answer
x = 1,229,651.38
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1.5x scale
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.