Finding the Fourth Proportional to 5,145,583.95, 7,101,341.97 and 2,854,482.75
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Solution
The fourth proportional to 5,145,583.95, 7,101,341.97 and 2,854,482.75 is: 3,939,428.13
Step by Step Solution
- Step 1: Write the proportion equation
5,145,583.95 : 7,101,341.97 = 2,854,482.75 : x - Step 2: Convert to fraction form
5,145,583.95/7,101,341.97 = 2,854,482.75/x - Step 3: Cross multiply
5,145,583.95x = 7,101,341.97 × 2,854,482.75 - Step 4: Simplify right side
5,145,583.95x = 20,270,658,155,216.02 - Step 5: Solve for x
x = 20,270,658,155,216.02/5,145,583.95 - Step 6: Final answer
x = 3,939,428.13
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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.