Finding the Fourth Proportional to 1,948,090.93, 2,688,369.13 and 1,088,651.19
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Solution
The fourth proportional to 1,948,090.93, 2,688,369.13 and 1,088,651.19 is: 1,502,340.68
Step by Step Solution
- Step 1: Write the proportion equation
1,948,090.93 : 2,688,369.13 = 1,088,651.19 : x - Step 2: Convert to fraction form
1,948,090.93/2,688,369.13 = 1,088,651.19/x - Step 3: Cross multiply
1,948,090.93x = 2,688,369.13 × 1,088,651.19 - Step 4: Simplify right side
1,948,090.93x = 2,926,696,252,533.76 - Step 5: Solve for x
x = 2,926,696,252,533.76/1,948,090.93 - Step 6: Final answer
x = 1,502,340.68
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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.