Finding the Fourth Proportional to 2,298,847.99, 3,172,171.56 and 1,415,656.74
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Solution
The fourth proportional to 2,298,847.99, 3,172,171.56 and 1,415,656.74 is: 1,953,459.33
Step by Step Solution
- Step 1: Write the proportion equation
2,298,847.99 : 3,172,171.56 = 1,415,656.74 : x - Step 2: Convert to fraction form
2,298,847.99/3,172,171.56 = 1,415,656.74/x - Step 3: Cross multiply
2,298,847.99x = 3,172,171.56 × 1,415,656.74 - Step 4: Simplify right side
2,298,847.99x = 4,490,706,042,272.03 - Step 5: Solve for x
x = 4,490,706,042,272.03/2,298,847.99 - Step 6: Final answer
x = 1,953,459.33
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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.