Finding the Fourth Proportional to 1,615,772.17, 2,229,664.17 and 890,579.98
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Solution
The fourth proportional to 1,615,772.17, 2,229,664.17 and 890,579.98 is: 1,228,944.47
Step by Step Solution
- Step 1: Write the proportion equation
1,615,772.17 : 2,229,664.17 = 890,579.98 : x - Step 2: Convert to fraction form
1,615,772.17/2,229,664.17 = 890,579.98/x - Step 3: Cross multiply
1,615,772.17x = 2,229,664.17 × 890,579.98 - Step 4: Simplify right side
1,615,772.17x = 1,985,694,271,925.32 - Step 5: Solve for x
x = 1,985,694,271,925.32/1,615,772.17 - Step 6: Final answer
x = 1,228,944.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.