Finding the Fourth Proportional to 1,833,813.36, 2,750,590.18 and 485,946.12
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Solution
The fourth proportional to 1,833,813.36, 2,750,590.18 and 485,946.12 is: 728,884.77
Step by Step Solution
- Step 1: Write the proportion equation
1,833,813.36 : 2,750,590.18 = 485,946.12 : x - Step 2: Convert to fraction form
1,833,813.36/2,750,590.18 = 485,946.12/x - Step 3: Cross multiply
1,833,813.36x = 2,750,590.18 × 485,946.12 - Step 4: Simplify right side
1,833,813.36x = 1,336,638,625,681.10 - Step 5: Solve for x
x = 1,336,638,625,681.10/1,833,813.36 - Step 6: Final answer
x = 728,884.77
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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.