Finding the Fourth Proportional to 1,513,987.62, 2,089,232.64 and 868,953.84
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Solution
The fourth proportional to 1,513,987.62, 2,089,232.64 and 868,953.84 is: 1,199,115.96
Step by Step Solution
- Step 1: Write the proportion equation
1,513,987.62 : 2,089,232.64 = 868,953.84 : x - Step 2: Convert to fraction form
1,513,987.62/2,089,232.64 = 868,953.84/x - Step 3: Cross multiply
1,513,987.62x = 2,089,232.64 × 868,953.84 - Step 4: Simplify right side
1,513,987.62x = 1,815,446,725,181.34 - Step 5: Solve for x
x = 1,815,446,725,181.34/1,513,987.62 - Step 6: Final answer
x = 1,199,115.96
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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.