Finding the Fourth Proportional to 4,298,986.98, 6,438,676.95 and 2,056,711.14
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Solution
The fourth proportional to 4,298,986.98, 6,438,676.95 and 2,056,711.14 is: 3,080,376.53
Step by Step Solution
- Step 1: Write the proportion equation
4,298,986.98 : 6,438,676.95 = 2,056,711.14 : x - Step 2: Convert to fraction form
4,298,986.98/6,438,676.95 = 2,056,711.14/x - Step 3: Cross multiply
4,298,986.98x = 6,438,676.95 × 2,056,711.14 - Step 4: Simplify right side
4,298,986.98x = 13,242,498,609,926.22 - Step 5: Solve for x
x = 13,242,498,609,926.22/4,298,986.98 - Step 6: Final answer
x = 3,080,376.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.