Finding the Fourth Proportional to 4,528,729.50, 6,249,646.74 and 2,491,495.26
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Solution
The fourth proportional to 4,528,729.50, 6,249,646.74 and 2,491,495.26 is: 3,438,263.48
Step by Step Solution
- Step 1: Write the proportion equation
4,528,729.50 : 6,249,646.74 = 2,491,495.26 : x - Step 2: Convert to fraction form
4,528,729.50/6,249,646.74 = 2,491,495.26/x - Step 3: Cross multiply
4,528,729.50x = 6,249,646.74 × 2,491,495.26 - Step 4: Simplify right side
4,528,729.50x = 15,570,965,229,384.45 - Step 5: Solve for x
x = 15,570,965,229,384.45/4,528,729.50 - Step 6: Final answer
x = 3,438,263.48
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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.