Finding the Fourth Proportional to 2,317,416.28, 3,198,365.36 and 1,285,153.63
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Solution
The fourth proportional to 2,317,416.28, 3,198,365.36 and 1,285,153.63 is: 1,773,695.51
Step by Step Solution
- Step 1: Write the proportion equation
2,317,416.28 : 3,198,365.36 = 1,285,153.63 : x - Step 2: Convert to fraction form
2,317,416.28/3,198,365.36 = 1,285,153.63/x - Step 3: Cross multiply
2,317,416.28x = 3,198,365.36 × 1,285,153.63 - Step 4: Simplify right side
2,317,416.28x = 4,110,390,842,867.90 - Step 5: Solve for x
x = 4,110,390,842,867.90/2,317,416.28 - Step 6: Final answer
x = 1,773,695.51
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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.