Finding the Fourth Proportional to 2,157,265.78, 3,237,135.07 and 877,637.10
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Solution
The fourth proportional to 2,157,265.78, 3,237,135.07 and 877,637.10 is: 1,316,958.64
Step by Step Solution
- Step 1: Write the proportion equation
2,157,265.78 : 3,237,135.07 = 877,637.10 : x - Step 2: Convert to fraction form
2,157,265.78/3,237,135.07 = 877,637.10/x - Step 3: Cross multiply
2,157,265.78x = 3,237,135.07 × 877,637.10 - Step 4: Simplify right side
2,157,265.78x = 2,841,029,816,763.33 - Step 5: Solve for x
x = 2,841,029,816,763.33/2,157,265.78 - Step 6: Final answer
x = 1,316,958.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.