Finding the Fourth Proportional to 3,681,374.06, 5,080,235.55 and 2,153,739.98
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Solution
The fourth proportional to 3,681,374.06, 5,080,235.55 and 2,153,739.98 is: 2,972,125.69
Step by Step Solution
- Step 1: Write the proportion equation
3,681,374.06 : 5,080,235.55 = 2,153,739.98 : x - Step 2: Convert to fraction form
3,681,374.06/5,080,235.55 = 2,153,739.98/x - Step 3: Cross multiply
3,681,374.06x = 5,080,235.55 × 2,153,739.98 - Step 4: Simplify right side
3,681,374.06x = 10,941,506,411,852.29 - Step 5: Solve for x
x = 10,941,506,411,852.29/3,681,374.06 - Step 6: Final answer
x = 2,972,125.69
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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.