Finding the Fourth Proportional to 1,948,160.10, 2,688,416.28 and 1,088,800.32
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Solution
The fourth proportional to 1,948,160.10, 2,688,416.28 and 1,088,800.32 is: 1,502,519.48
Step by Step Solution
- Step 1: Write the proportion equation
1,948,160.10 : 2,688,416.28 = 1,088,800.32 : x - Step 2: Convert to fraction form
1,948,160.10/2,688,416.28 = 1,088,800.32/x - Step 3: Cross multiply
1,948,160.10x = 2,688,416.28 × 1,088,800.32 - Step 4: Simplify right side
1,948,160.10x = 2,927,148,505,957.21 - Step 5: Solve for x
x = 2,927,148,505,957.21/1,948,160.10 - Step 6: Final answer
x = 1,502,519.48
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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.