Finding the Fourth Proportional to 4,154,708.60, 6,232,548.90 and 1,315,107.80
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Solution
The fourth proportional to 4,154,708.60, 6,232,548.90 and 1,315,107.80 is: 1,972,815.54
Step by Step Solution
- Step 1: Write the proportion equation
4,154,708.60 : 6,232,548.90 = 1,315,107.80 : x - Step 2: Convert to fraction form
4,154,708.60/6,232,548.90 = 1,315,107.80/x - Step 3: Cross multiply
4,154,708.60x = 6,232,548.90 × 1,315,107.80 - Step 4: Simplify right side
4,154,708.60x = 8,196,473,672,271.42 - Step 5: Solve for x
x = 8,196,473,672,271.42/4,154,708.60 - Step 6: Final answer
x = 1,972,815.54
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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.