Finding the Fourth Proportional to 2,984,780.71, 4,118,493.09 and 1,677,858.67
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Solution
The fourth proportional to 2,984,780.71, 4,118,493.09 and 1,677,858.67 is: 2,315,161.48
Step by Step Solution
- Step 1: Write the proportion equation
2,984,780.71 : 4,118,493.09 = 1,677,858.67 : x - Step 2: Convert to fraction form
2,984,780.71/4,118,493.09 = 1,677,858.67/x - Step 3: Cross multiply
2,984,780.71x = 4,118,493.09 × 1,677,858.67 - Step 4: Simplify right side
2,984,780.71x = 6,910,249,338,391.59 - Step 5: Solve for x
x = 6,910,249,338,391.59/2,984,780.71 - Step 6: Final answer
x = 2,315,161.48
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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.