Finding the Fourth Proportional to 7,207,660.80, 10,808,303.04 and 2,158,030.08
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Solution
The fourth proportional to 7,207,660.80, 10,808,303.04 and 2,158,030.08 is: 3,236,090.56
Step by Step Solution
- Step 1: Write the proportion equation
7,207,660.80 : 10,808,303.04 = 2,158,030.08 : x - Step 2: Convert to fraction form
7,207,660.80/10,808,303.04 = 2,158,030.08/x - Step 3: Cross multiply
7,207,660.80x = 10,808,303.04 × 2,158,030.08 - Step 4: Simplify right side
7,207,660.80x = 23,324,643,074,075.44 - Step 5: Solve for x
x = 23,324,643,074,075.44/7,207,660.80 - Step 6: Final answer
x = 3,236,090.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.