Finding the Fourth Proportional to 1,613,668.84, 2,226,902.93 and 878,663.41
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Solution
The fourth proportional to 1,613,668.84, 2,226,902.93 and 878,663.41 is: 1,212,577.25
Step by Step Solution
- Step 1: Write the proportion equation
1,613,668.84 : 2,226,902.93 = 878,663.41 : x - Step 2: Convert to fraction form
1,613,668.84/2,226,902.93 = 878,663.41/x - Step 3: Cross multiply
1,613,668.84x = 2,226,902.93 × 878,663.41 - Step 4: Simplify right side
1,613,668.84x = 1,956,698,122,212.79 - Step 5: Solve for x
x = 1,956,698,122,212.79/1,613,668.84 - Step 6: Final answer
x = 1,212,577.25
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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.