Finding the Fourth Proportional to 1,795,189.84, 2,478,991.84 and 1,336,136.72
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Solution
The fourth proportional to 1,795,189.84, 2,478,991.84 and 1,336,136.72 is: 1,845,081.75
Step by Step Solution
- Step 1: Write the proportion equation
1,795,189.84 : 2,478,991.84 = 1,336,136.72 : x - Step 2: Convert to fraction form
1,795,189.84/2,478,991.84 = 1,336,136.72/x - Step 3: Cross multiply
1,795,189.84x = 2,478,991.84 × 1,336,136.72 - Step 4: Simplify right side
1,795,189.84x = 3,312,272,010,269.06 - Step 5: Solve for x
x = 3,312,272,010,269.06/1,795,189.84 - Step 6: Final answer
x = 1,845,081.75
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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.