Finding the Fourth Proportional to 1,948,303.19, 2,688,662.30 and 1,088,863.42
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Solution
The fourth proportional to 1,948,303.19, 2,688,662.30 and 1,088,863.42 is: 1,502,633.70
Step by Step Solution
- Step 1: Write the proportion equation
1,948,303.19 : 2,688,662.30 = 1,088,863.42 : x - Step 2: Convert to fraction form
1,948,303.19/2,688,662.30 = 1,088,863.42/x - Step 3: Cross multiply
1,948,303.19x = 2,688,662.30 × 1,088,863.42 - Step 4: Simplify right side
1,948,303.19x = 2,927,586,027,203.07 - Step 5: Solve for x
x = 2,927,586,027,203.07/1,948,303.19 - Step 6: Final answer
x = 1,502,633.70
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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.