Finding the Fourth Proportional to 5,779,251.68, 7,975,496.18 and 3,298,422.58
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Solution
The fourth proportional to 5,779,251.68, 7,975,496.18 and 3,298,422.58 is: 4,551,896.71
Step by Step Solution
- Step 1: Write the proportion equation
5,779,251.68 : 7,975,496.18 = 3,298,422.58 : x - Step 2: Convert to fraction form
5,779,251.68/7,975,496.18 = 3,298,422.58/x - Step 3: Cross multiply
5,779,251.68x = 7,975,496.18 × 3,298,422.58 - Step 4: Simplify right side
5,779,251.68x = 26,306,556,686,815.74 - Step 5: Solve for x
x = 26,306,556,686,815.74/5,779,251.68 - Step 6: Final answer
x = 4,551,896.71
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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.