Finding the Fourth Proportional to 6,460,312.95, 8,915,629.03 and 3,559,703.09
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Solution
The fourth proportional to 6,460,312.95, 8,915,629.03 and 3,559,703.09 is: 4,912,609.09
Step by Step Solution
- Step 1: Write the proportion equation
6,460,312.95 : 8,915,629.03 = 3,559,703.09 : x - Step 2: Convert to fraction form
6,460,312.95/8,915,629.03 = 3,559,703.09/x - Step 3: Cross multiply
6,460,312.95x = 8,915,629.03 × 3,559,703.09 - Step 4: Simplify right side
6,460,312.95x = 31,736,992,153,907.30 - Step 5: Solve for x
x = 31,736,992,153,907.30/6,460,312.95 - Step 6: Final answer
x = 4,912,609.09
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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.