Finding the Fourth Proportional to 1,948,203.93, 2,688,640.79 and 1,088,832.81
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Solution
The fourth proportional to 1,948,203.93, 2,688,640.79 and 1,088,832.81 is: 1,502,655.99
Step by Step Solution
- Step 1: Write the proportion equation
1,948,203.93 : 2,688,640.79 = 1,088,832.81 : x - Step 2: Convert to fraction form
1,948,203.93/2,688,640.79 = 1,088,832.81/x - Step 3: Cross multiply
1,948,203.93x = 2,688,640.79 × 1,088,832.81 - Step 4: Simplify right side
1,948,203.93x = 2,927,480,301,012.16 - Step 5: Solve for x
x = 2,927,480,301,012.16/1,948,203.93 - Step 6: Final answer
x = 1,502,655.99
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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.