Finding the Fourth Proportional to 1,948,189.12, 2,688,620.34 and 1,088,818.00
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Solution
The fourth proportional to 1,948,189.12, 2,688,620.34 and 1,088,818.00 is: 1,502,635.55
Step by Step Solution
- Step 1: Write the proportion equation
1,948,189.12 : 2,688,620.34 = 1,088,818.00 : x - Step 2: Convert to fraction form
1,948,189.12/2,688,620.34 = 1,088,818.00/x - Step 3: Cross multiply
1,948,189.12x = 2,688,620.34 × 1,088,818.00 - Step 4: Simplify right side
1,948,189.12x = 2,927,418,218,719.64 - Step 5: Solve for x
x = 2,927,418,218,719.64/1,948,189.12 - Step 6: Final answer
x = 1,502,635.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.