Finding the Fourth Proportional to 7,709,702.58, 10,639,230.93 and 4,271,913.54
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Solution
The fourth proportional to 7,709,702.58, 10,639,230.93 and 4,271,913.54 is: 5,895,152.79
Step by Step Solution
- Step 1: Write the proportion equation
7,709,702.58 : 10,639,230.93 = 4,271,913.54 : x - Step 2: Convert to fraction form
7,709,702.58/10,639,230.93 = 4,271,913.54/x - Step 3: Cross multiply
7,709,702.58x = 10,639,230.93 × 4,271,913.54 - Step 4: Simplify right side
7,709,702.58x = 45,449,874,665,053.79 - Step 5: Solve for x
x = 45,449,874,665,053.79/7,709,702.58 - Step 6: Final answer
x = 5,895,152.79
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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.