Finding the Fourth Proportional to 4,199,219.60, 6,298,829.40 and 1,676,685.20
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Solution
The fourth proportional to 4,199,219.60, 6,298,829.40 and 1,676,685.20 is: 2,515,027.80
Step by Step Solution
- Step 1: Write the proportion equation
4,199,219.60 : 6,298,829.40 = 1,676,685.20 : x - Step 2: Convert to fraction form
4,199,219.60/6,298,829.40 = 1,676,685.20/x - Step 3: Cross multiply
4,199,219.60x = 6,298,829.40 × 1,676,685.20 - Step 4: Simplify right side
4,199,219.60x = 10,561,154,032,304.88 - Step 5: Solve for x
x = 10,561,154,032,304.88/4,199,219.60 - Step 6: Final answer
x = 2,515,027.80
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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.