Finding the Fourth Proportional to 4,986,862.80, 7,461,631.80 and 3,307,246.80
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Solution
The fourth proportional to 4,986,862.80, 7,461,631.80 and 3,307,246.80 is: 4,948,493.45
Step by Step Solution
- Step 1: Write the proportion equation
4,986,862.80 : 7,461,631.80 = 3,307,246.80 : x - Step 2: Convert to fraction form
4,986,862.80/7,461,631.80 = 3,307,246.80/x - Step 3: Cross multiply
4,986,862.80x = 7,461,631.80 × 3,307,246.80 - Step 4: Simplify right side
4,986,862.80x = 24,677,457,893,328.24 - Step 5: Solve for x
x = 24,677,457,893,328.24/4,986,862.80 - Step 6: Final answer
x = 4,948,493.45
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1.5x scale
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.