Finding the Fourth Proportional to 1,525,219.79, 2,104,989.96 and 880,638.90
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Solution
The fourth proportional to 1,525,219.79, 2,104,989.96 and 880,638.90 is: 1,215,389.45
Step by Step Solution
- Step 1: Write the proportion equation
1,525,219.79 : 2,104,989.96 = 880,638.90 : x - Step 2: Convert to fraction form
1,525,219.79/2,104,989.96 = 880,638.90/x - Step 3: Cross multiply
1,525,219.79x = 2,104,989.96 × 880,638.90 - Step 4: Simplify right side
1,525,219.79x = 1,853,736,042,885.44 - Step 5: Solve for x
x = 1,853,736,042,885.44/1,525,219.79 - Step 6: Final answer
x = 1,215,389.45
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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.