Finding the Fourth Proportional to 2,385,807.39, 3,292,388.67 and 1,418,916.45
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Solution
The fourth proportional to 2,385,807.39, 3,292,388.67 and 1,418,916.45 is: 1,958,089.52
Step by Step Solution
- Step 1: Write the proportion equation
2,385,807.39 : 3,292,388.67 = 1,418,916.45 : x - Step 2: Convert to fraction form
2,385,807.39/3,292,388.67 = 1,418,916.45/x - Step 3: Cross multiply
2,385,807.39x = 3,292,388.67 × 1,418,916.45 - Step 4: Simplify right side
2,385,807.39x = 4,671,624,443,656.62 - Step 5: Solve for x
x = 4,671,624,443,656.62/2,385,807.39 - Step 6: Final answer
x = 1,958,089.52
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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.