Finding the Fourth Proportional to 1,507,701.04, 2,080,539.44 and 828,638.08
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Solution
The fourth proportional to 1,507,701.04, 2,080,539.44 and 828,638.08 is: 1,143,472.19
Step by Step Solution
- Step 1: Write the proportion equation
1,507,701.04 : 2,080,539.44 = 828,638.08 : x - Step 2: Convert to fraction form
1,507,701.04/2,080,539.44 = 828,638.08/x - Step 3: Cross multiply
1,507,701.04x = 2,080,539.44 × 828,638.08 - Step 4: Simplify right side
1,507,701.04x = 1,724,014,206,925.88 - Step 5: Solve for x
x = 1,724,014,206,925.88/1,507,701.04 - Step 6: Final answer
x = 1,143,472.19
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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.