Finding the Fourth Proportional to 1,626,132.84, 2,243,987.71 and 891,082.74
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Solution
The fourth proportional to 1,626,132.84, 2,243,987.71 and 891,082.74 is: 1,229,652.75
Step by Step Solution
- Step 1: Write the proportion equation
1,626,132.84 : 2,243,987.71 = 891,082.74 : x - Step 2: Convert to fraction form
1,626,132.84/2,243,987.71 = 891,082.74/x - Step 3: Cross multiply
1,626,132.84x = 2,243,987.71 × 891,082.74 - Step 4: Simplify right side
1,626,132.84x = 1,999,578,717,153.13 - Step 5: Solve for x
x = 1,999,578,717,153.13/1,626,132.84 - Step 6: Final answer
x = 1,229,652.75
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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.