Finding the Fourth Proportional to 4,735,139.60, 7,103,227.80 and 4,585,840.40
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Solution
The fourth proportional to 4,735,139.60, 7,103,227.80 and 4,585,840.40 is: 6,879,262.65
Step by Step Solution
- Step 1: Write the proportion equation
4,735,139.60 : 7,103,227.80 = 4,585,840.40 : x - Step 2: Convert to fraction form
4,735,139.60/7,103,227.80 = 4,585,840.40/x - Step 3: Cross multiply
4,735,139.60x = 7,103,227.80 × 4,585,840.40 - Step 4: Simplify right side
4,735,139.60x = 32,574,269,015,643.12 - Step 5: Solve for x
x = 32,574,269,015,643.12/4,735,139.60 - Step 6: Final answer
x = 6,879,262.65
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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.