Finding the Fourth Proportional to 5,671,438.71, 8,507,114.28 and 1,411,578.24
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Solution
The fourth proportional to 5,671,438.71, 8,507,114.28 and 1,411,578.24 is: 2,117,356.46
Step by Step Solution
- Step 1: Write the proportion equation
5,671,438.71 : 8,507,114.28 = 1,411,578.24 : x - Step 2: Convert to fraction form
5,671,438.71/8,507,114.28 = 1,411,578.24/x - Step 3: Cross multiply
5,671,438.71x = 8,507,114.28 × 1,411,578.24 - Step 4: Simplify right side
5,671,438.71x = 12,008,457,402,841.27 - Step 5: Solve for x
x = 12,008,457,402,841.27/5,671,438.71 - Step 6: Final answer
x = 2,117,356.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.