Finding the Fourth Proportional to 4,493,825.64, 6,740,787.65 and 1,298,979.49
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Solution
The fourth proportional to 4,493,825.64, 6,740,787.65 and 1,298,979.49 is: 1,948,483.45
Step by Step Solution
- Step 1: Write the proportion equation
4,493,825.64 : 6,740,787.65 = 1,298,979.49 : x - Step 2: Convert to fraction form
4,493,825.64/6,740,787.65 = 1,298,979.49/x - Step 3: Cross multiply
4,493,825.64x = 6,740,787.65 × 1,298,979.49 - Step 4: Simplify right side
4,493,825.64x = 8,756,144,903,795.30 - Step 5: Solve for x
x = 8,756,144,903,795.30/4,493,825.64 - Step 6: Final answer
x = 1,948,483.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.