Finding the Fourth Proportional to 1,536,829.42, 2,120,628.99 and 857,794.54
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Solution
The fourth proportional to 1,536,829.42, 2,120,628.99 and 857,794.54 is: 1,183,647.28
Step by Step Solution
- Step 1: Write the proportion equation
1,536,829.42 : 2,120,628.99 = 857,794.54 : x - Step 2: Convert to fraction form
1,536,829.42/2,120,628.99 = 857,794.54/x - Step 3: Cross multiply
1,536,829.42x = 2,120,628.99 × 857,794.54 - Step 4: Simplify right side
1,536,829.42x = 1,819,063,968,987.72 - Step 5: Solve for x
x = 1,819,063,968,987.72/1,536,829.42 - Step 6: Final answer
x = 1,183,647.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.