Finding the Fourth Proportional to 4,730,918.20, 6,528,669.74 and 2,555,461.37
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Solution
The fourth proportional to 4,730,918.20, 6,528,669.74 and 2,555,461.37 is: 3,526,538.10
Step by Step Solution
- Step 1: Write the proportion equation
4,730,918.20 : 6,528,669.74 = 2,555,461.37 : x - Step 2: Convert to fraction form
4,730,918.20/6,528,669.74 = 2,555,461.37/x - Step 3: Cross multiply
4,730,918.20x = 6,528,669.74 × 2,555,461.37 - Step 4: Simplify right side
4,730,918.20x = 16,683,763,285,414.60 - Step 5: Solve for x
x = 16,683,763,285,414.60/4,730,918.20 - Step 6: Final answer
x = 3,526,538.10
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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.