Finding the Fourth Proportional to 1,987,254.42, 2,742,768.99 and 1,171,409.82
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Solution
The fourth proportional to 1,987,254.42, 2,742,768.99 and 1,171,409.82 is: 1,616,756.51
Step by Step Solution
- Step 1: Write the proportion equation
1,987,254.42 : 2,742,768.99 = 1,171,409.82 : x - Step 2: Convert to fraction form
1,987,254.42/2,742,768.99 = 1,171,409.82/x - Step 3: Cross multiply
1,987,254.42x = 2,742,768.99 × 1,171,409.82 - Step 4: Simplify right side
1,987,254.42x = 3,212,906,528,877.48 - Step 5: Solve for x
x = 3,212,906,528,877.48/1,987,254.42 - Step 6: Final answer
x = 1,616,756.51
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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.