Finding the Fourth Proportional to 1,326,444.84, 1,828,640.33 and 1,121,674.21
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Solution
The fourth proportional to 1,326,444.84, 1,828,640.33 and 1,121,674.21 is: 1,546,343.00
Step by Step Solution
- Step 1: Write the proportion equation
1,326,444.84 : 1,828,640.33 = 1,121,674.21 : x - Step 2: Convert to fraction form
1,326,444.84/1,828,640.33 = 1,121,674.21/x - Step 3: Cross multiply
1,326,444.84x = 1,828,640.33 × 1,121,674.21 - Step 4: Simplify right side
1,326,444.84x = 2,051,138,697,526.89 - Step 5: Solve for x
x = 2,051,138,697,526.89/1,326,444.84 - Step 6: Final answer
x = 1,546,343.00
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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.