Finding the Fourth Proportional to 1,507,320.50, 2,080,109.99 and 818,994.12
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Solution
The fourth proportional to 1,507,320.50, 2,080,109.99 and 818,994.12 is: 1,130,216.06
Step by Step Solution
- Step 1: Write the proportion equation
1,507,320.50 : 2,080,109.99 = 818,994.12 : x - Step 2: Convert to fraction form
1,507,320.50/2,080,109.99 = 818,994.12/x - Step 3: Cross multiply
1,507,320.50x = 2,080,109.99 × 818,994.12 - Step 4: Simplify right side
1,507,320.50x = 1,703,597,840,403.49 - Step 5: Solve for x
x = 1,703,597,840,403.49/1,507,320.50 - Step 6: Final answer
x = 1,130,216.06
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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.