Finding the Fourth Proportional to 1,507,295.04, 2,080,066.68 and 828,275.28
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Solution
The fourth proportional to 1,507,295.04, 2,080,066.68 and 828,275.28 is: 1,143,019.63
Step by Step Solution
- Step 1: Write the proportion equation
1,507,295.04 : 2,080,066.68 = 828,275.28 : x - Step 2: Convert to fraction form
1,507,295.04/2,080,066.68 = 828,275.28/x - Step 3: Cross multiply
1,507,295.04x = 2,080,066.68 × 828,275.28 - Step 4: Simplify right side
1,507,295.04x = 1,722,867,811,795.67 - Step 5: Solve for x
x = 1,722,867,811,795.67/1,507,295.04 - Step 6: Final answer
x = 1,143,019.63
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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.