Finding the Fourth Proportional to 1,531,029.48, 2,112,683.36 and 886,493.18
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Solution
The fourth proportional to 1,531,029.48, 2,112,683.36 and 886,493.18 is: 1,223,281.07
Step by Step Solution
- Step 1: Write the proportion equation
1,531,029.48 : 2,112,683.36 = 886,493.18 : x - Step 2: Convert to fraction form
1,531,029.48/2,112,683.36 = 886,493.18/x - Step 3: Cross multiply
1,531,029.48x = 2,112,683.36 × 886,493.18 - Step 4: Simplify right side
1,531,029.48x = 1,872,879,375,143.60 - Step 5: Solve for x
x = 1,872,879,375,143.60/1,531,029.48 - Step 6: Final answer
x = 1,223,281.07
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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.