Finding the Fourth Proportional to 1,316,544.62, 1,974,802.35 and 417,962.21
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Solution
The fourth proportional to 1,316,544.62, 1,974,802.35 and 417,962.21 is: 626,938.69
Step by Step Solution
- Step 1: Write the proportion equation
1,316,544.62 : 1,974,802.35 = 417,962.21 : x - Step 2: Convert to fraction form
1,316,544.62/1,974,802.35 = 417,962.21/x - Step 3: Cross multiply
1,316,544.62x = 1,974,802.35 × 417,962.21 - Step 4: Simplify right side
1,316,544.62x = 825,392,754,519.19 - Step 5: Solve for x
x = 825,392,754,519.19/1,316,544.62 - Step 6: Final answer
x = 626,938.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.