Finding the Fourth Proportional to 1,529,253.64, 2,110,423.10 and 840,953.71
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Solution
The fourth proportional to 1,529,253.64, 2,110,423.10 and 840,953.71 is: 1,160,545.31
Step by Step Solution
- Step 1: Write the proportion equation
1,529,253.64 : 2,110,423.10 = 840,953.71 : x - Step 2: Convert to fraction form
1,529,253.64/2,110,423.10 = 840,953.71/x - Step 3: Cross multiply
1,529,253.64x = 2,110,423.10 × 840,953.71 - Step 4: Simplify right side
1,529,253.64x = 1,774,768,135,614.70 - Step 5: Solve for x
x = 1,774,768,135,614.70/1,529,253.64 - Step 6: Final answer
x = 1,160,545.31
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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.