Finding the Fourth Proportional to 1,525,218.79, 2,104,988.58 and 880,637.90
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Solution
The fourth proportional to 1,525,218.79, 2,104,988.58 and 880,637.90 is: 1,215,388.07
Step by Step Solution
- Step 1: Write the proportion equation
1,525,218.79 : 2,104,988.58 = 880,637.90 : x - Step 2: Convert to fraction form
1,525,218.79/2,104,988.58 = 880,637.90/x - Step 3: Cross multiply
1,525,218.79x = 2,104,988.58 × 880,637.90 - Step 4: Simplify right side
1,525,218.79x = 1,853,732,722,615.18 - Step 5: Solve for x
x = 1,853,732,722,615.18/1,525,218.79 - Step 6: Final answer
x = 1,215,388.07
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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.