Finding the Fourth Proportional to 1,529,165.58, 2,110,302.62 and 840,889.61
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Solution
The fourth proportional to 1,529,165.58, 2,110,302.62 and 840,889.61 is: 1,160,457.42
Step by Step Solution
- Step 1: Write the proportion equation
1,529,165.58 : 2,110,302.62 = 840,889.61 : x - Step 2: Convert to fraction form
1,529,165.58/2,110,302.62 = 840,889.61/x - Step 3: Cross multiply
1,529,165.58x = 2,110,302.62 × 840,889.61 - Step 4: Simplify right side
1,529,165.58x = 1,774,531,547,113.78 - Step 5: Solve for x
x = 1,774,531,547,113.78/1,529,165.58 - Step 6: Final answer
x = 1,160,457.42
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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.