Finding the Fourth Proportional to 4,587,368.40, 6,880,833.90 and 1,554,436.80
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Solution
The fourth proportional to 4,587,368.40, 6,880,833.90 and 1,554,436.80 is: 2,331,581.09
Step by Step Solution
- Step 1: Write the proportion equation
4,587,368.40 : 6,880,833.90 = 1,554,436.80 : x - Step 2: Convert to fraction form
4,587,368.40/6,880,833.90 = 1,554,436.80/x - Step 3: Cross multiply
4,587,368.40x = 6,880,833.90 × 1,554,436.80 - Step 4: Simplify right side
4,587,368.40x = 10,695,821,428,847.52 - Step 5: Solve for x
x = 10,695,821,428,847.52/4,587,368.40 - Step 6: Final answer
x = 2,331,581.09
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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.