Finding the Fourth Proportional to 5,277,926.87, 7,282,925.30 and 2,954,950.55
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Solution
The fourth proportional to 5,277,926.87, 7,282,925.30 and 2,954,950.55 is: 4,077,488.12
Step by Step Solution
- Step 1: Write the proportion equation
5,277,926.87 : 7,282,925.30 = 2,954,950.55 : x - Step 2: Convert to fraction form
5,277,926.87/7,282,925.30 = 2,954,950.55/x - Step 3: Cross multiply
5,277,926.87x = 7,282,925.30 × 2,954,950.55 - Step 4: Simplify right side
5,277,926.87x = 21,520,684,106,069.16 - Step 5: Solve for x
x = 21,520,684,106,069.16/5,277,926.87 - Step 6: Final answer
x = 4,077,488.12
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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.