Finding the Fourth Proportional to 1,573,398.54, 2,169,199.53 and 1,028,597.70
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Solution
The fourth proportional to 1,573,398.54, 2,169,199.53 and 1,028,597.70 is: 1,418,098.21
Step by Step Solution
- Step 1: Write the proportion equation
1,573,398.54 : 2,169,199.53 = 1,028,597.70 : x - Step 2: Convert to fraction form
1,573,398.54/2,169,199.53 = 1,028,597.70/x - Step 3: Cross multiply
1,573,398.54x = 2,169,199.53 × 1,028,597.70 - Step 4: Simplify right side
1,573,398.54x = 2,231,233,647,399.08 - Step 5: Solve for x
x = 2,231,233,647,399.08/1,573,398.54 - Step 6: Final answer
x = 1,418,098.21
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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.