Finding the Fourth Proportional to 6,941,461.74, 9,580,072.95 and 4,189,729.74
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Solution
The fourth proportional to 6,941,461.74, 9,580,072.95 and 4,189,729.74 is: 5,782,343.55
Step by Step Solution
- Step 1: Write the proportion equation
6,941,461.74 : 9,580,072.95 = 4,189,729.74 : x - Step 2: Convert to fraction form
6,941,461.74/9,580,072.95 = 4,189,729.74/x - Step 3: Cross multiply
6,941,461.74x = 9,580,072.95 × 4,189,729.74 - Step 4: Simplify right side
6,941,461.74x = 40,137,916,549,984.53 - Step 5: Solve for x
x = 40,137,916,549,984.53/6,941,461.74 - Step 6: Final answer
x = 5,782,343.55
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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.