Finding the Fourth Proportional to 4,778,479.89, 7,163,930.88 and 2,503,567.98
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Solution
The fourth proportional to 4,778,479.89, 7,163,930.88 and 2,503,567.98 is: 3,753,366.84
Step by Step Solution
- Step 1: Write the proportion equation
4,778,479.89 : 7,163,930.88 = 2,503,567.98 : x - Step 2: Convert to fraction form
4,778,479.89/7,163,930.88 = 2,503,567.98/x - Step 3: Cross multiply
4,778,479.89x = 7,163,930.88 × 2,503,567.98 - Step 4: Simplify right side
4,778,479.89x = 17,935,387,962,101.22 - Step 5: Solve for x
x = 17,935,387,962,101.22/4,778,479.89 - Step 6: Final answer
x = 3,753,366.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.