Finding the Fourth Proportional to 1,821,147.04, 2,513,186.64 and 1,005,351.80
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Solution
The fourth proportional to 1,821,147.04, 2,513,186.64 and 1,005,351.80 is: 1,387,387.54
Step by Step Solution
- Step 1: Write the proportion equation
1,821,147.04 : 2,513,186.64 = 1,005,351.80 : x - Step 2: Convert to fraction form
1,821,147.04/2,513,186.64 = 1,005,351.80/x - Step 3: Cross multiply
1,821,147.04x = 2,513,186.64 × 1,005,351.80 - Step 4: Simplify right side
1,821,147.04x = 2,526,636,712,259.95 - Step 5: Solve for x
x = 2,526,636,712,259.95/1,821,147.04 - Step 6: Final answer
x = 1,387,387.54
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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.