Finding the Fourth Proportional to 1,637,143.42, 2,457,390.84 and 1,351,925.20
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Solution
The fourth proportional to 1,637,143.42, 2,457,390.84 and 1,351,925.20 is: 2,029,271.57
Step by Step Solution
- Step 1: Write the proportion equation
1,637,143.42 : 2,457,390.84 = 1,351,925.20 : x - Step 2: Convert to fraction form
1,637,143.42/2,457,390.84 = 1,351,925.20/x - Step 3: Cross multiply
1,637,143.42x = 2,457,390.84 × 1,351,925.20 - Step 4: Simplify right side
1,637,143.42x = 3,322,208,602,845.17 - Step 5: Solve for x
x = 3,322,208,602,845.17/1,637,143.42 - Step 6: Final answer
x = 2,029,271.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.