Finding the Fourth Proportional to 1,427,921, 1,970,556.92 and 783,374.12
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Solution
The fourth proportional to 1,427,921, 1,970,556.92 and 783,374.12 is: 1,081,070.52
Step by Step Solution
- Step 1: Write the proportion equation
1,427,921 : 1,970,556.92 = 783,374.12 : x - Step 2: Convert to fraction form
1,427,921/1,970,556.92 = 783,374.12/x - Step 3: Cross multiply
1,427,921x = 1,970,556.92 × 783,374.12 - Step 4: Simplify right side
1,427,921x = 1,543,683,293,114.91 - Step 5: Solve for x
x = 1,543,683,293,114.91/1,427,921 - Step 6: Final answer
x = 1,081,070.52
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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.