Finding the Fourth Proportional to 6,670,975.42, 9,205,953.96 and 3,615,189.67
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Solution
The fourth proportional to 6,670,975.42, 9,205,953.96 and 3,615,189.67 is: 4,988,966.02
Step by Step Solution
- Step 1: Write the proportion equation
6,670,975.42 : 9,205,953.96 = 3,615,189.67 : x - Step 2: Convert to fraction form
6,670,975.42/9,205,953.96 = 3,615,189.67/x - Step 3: Cross multiply
6,670,975.42x = 9,205,953.96 × 3,615,189.67 - Step 4: Simplify right side
6,670,975.42x = 33,281,269,658,687.60 - Step 5: Solve for x
x = 33,281,269,658,687.60/6,670,975.42 - Step 6: Final answer
x = 4,988,966.02
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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.