Finding the Fourth Proportional to 1,552,883.84, 2,142,425.01 and 899,153.02
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Solution
The fourth proportional to 1,552,883.84, 2,142,425.01 and 899,153.02 is: 1,240,509.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,883.84 : 2,142,425.01 = 899,153.02 : x - Step 2: Convert to fraction form
1,552,883.84/2,142,425.01 = 899,153.02/x - Step 3: Cross multiply
1,552,883.84x = 2,142,425.01 × 899,153.02 - Step 4: Simplify right side
1,552,883.84x = 1,926,367,917,865.03 - Step 5: Solve for x
x = 1,926,367,917,865.03/1,552,883.84 - Step 6: Final answer
x = 1,240,509.99
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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.