Finding the Fourth Proportional to 1,464,855.07, 2,021,478.03 and 811,479.02
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Solution
The fourth proportional to 1,464,855.07, 2,021,478.03 and 811,479.02 is: 1,119,828.88
Step by Step Solution
- Step 1: Write the proportion equation
1,464,855.07 : 2,021,478.03 = 811,479.02 : x - Step 2: Convert to fraction form
1,464,855.07/2,021,478.03 = 811,479.02/x - Step 3: Cross multiply
1,464,855.07x = 2,021,478.03 × 811,479.02 - Step 4: Simplify right side
1,464,855.07x = 1,640,387,015,789.63 - Step 5: Solve for x
x = 1,640,387,015,789.63/1,464,855.07 - Step 6: Final answer
x = 1,119,828.88
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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.