Finding the Fourth Proportional to 1,210,407.08, 1,815,902.22 and 368,907.08
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Solution
The fourth proportional to 1,210,407.08, 1,815,902.22 and 368,907.08 is: 553,449.49
Step by Step Solution
- Step 1: Write the proportion equation
1,210,407.08 : 1,815,902.22 = 368,907.08 : x - Step 2: Convert to fraction form
1,210,407.08/1,815,902.22 = 368,907.08/x - Step 3: Cross multiply
1,210,407.08x = 1,815,902.22 × 368,907.08 - Step 4: Simplify right side
1,210,407.08x = 669,899,185,545.72 - Step 5: Solve for x
x = 669,899,185,545.72/1,210,407.08 - Step 6: Final answer
x = 553,449.49
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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.