Finding the Fourth Proportional to 1,958,502.40, 2,702,927.54 and 1,099,066.08
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Solution
The fourth proportional to 1,958,502.40, 2,702,927.54 and 1,099,066.08 is: 1,516,820.19
Step by Step Solution
- Step 1: Write the proportion equation
1,958,502.40 : 2,702,927.54 = 1,099,066.08 : x - Step 2: Convert to fraction form
1,958,502.40/2,702,927.54 = 1,099,066.08/x - Step 3: Cross multiply
1,958,502.40x = 2,702,927.54 × 1,099,066.08 - Step 4: Simplify right side
1,958,502.40x = 2,970,695,975,911.84 - Step 5: Solve for x
x = 2,970,695,975,911.84/1,958,502.40 - Step 6: Final answer
x = 1,516,820.19
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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.