Finding the Fourth Proportional to 1,490,885.82, 2,246,287.08 and 1,348,913.07
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Solution
The fourth proportional to 1,490,885.82, 2,246,287.08 and 1,348,913.07 is: 2,032,379.65
Step by Step Solution
- Step 1: Write the proportion equation
1,490,885.82 : 2,246,287.08 = 1,348,913.07 : x - Step 2: Convert to fraction form
1,490,885.82/2,246,287.08 = 1,348,913.07/x - Step 3: Cross multiply
1,490,885.82x = 2,246,287.08 × 1,348,913.07 - Step 4: Simplify right side
1,490,885.82x = 3,030,046,001,184.14 - Step 5: Solve for x
x = 3,030,046,001,184.14/1,490,885.82 - Step 6: Final answer
x = 2,032,379.65
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.