Finding the Fourth Proportional to 2,916,009.30, 4,374,013.95 and 1,855,751.70
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Solution
The fourth proportional to 2,916,009.30, 4,374,013.95 and 1,855,751.70 is: 2,783,627.55
Step by Step Solution
- Step 1: Write the proportion equation
2,916,009.30 : 4,374,013.95 = 1,855,751.70 : x - Step 2: Convert to fraction form
2,916,009.30/4,374,013.95 = 1,855,751.70/x - Step 3: Cross multiply
2,916,009.30x = 4,374,013.95 × 1,855,751.70 - Step 4: Simplify right side
2,916,009.30x = 8,117,083,823,536.22 - Step 5: Solve for x
x = 8,117,083,823,536.22/2,916,009.30 - Step 6: Final answer
x = 2,783,627.55
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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.