Finding the Fourth Proportional to 4,673,686.07, 7,009,827.78 and 1,478,396.99
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Solution
The fourth proportional to 4,673,686.07, 7,009,827.78 and 1,478,396.99 is: 2,217,373.64
Step by Step Solution
- Step 1: Write the proportion equation
4,673,686.07 : 7,009,827.78 = 1,478,396.99 : x - Step 2: Convert to fraction form
4,673,686.07/7,009,827.78 = 1,478,396.99/x - Step 3: Cross multiply
4,673,686.07x = 7,009,827.78 × 1,478,396.99 - Step 4: Simplify right side
4,673,686.07x = 10,363,308,290,370.38 - Step 5: Solve for x
x = 10,363,308,290,370.38/4,673,686.07 - Step 6: Final answer
x = 2,217,373.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.