Finding the Fourth Proportional to 4,789,386.84, 7,180,265.64 and 2,765,334.81
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Solution
The fourth proportional to 4,789,386.84, 7,180,265.64 and 2,765,334.81 is: 4,145,799.70
Step by Step Solution
- Step 1: Write the proportion equation
4,789,386.84 : 7,180,265.64 = 2,765,334.81 : x - Step 2: Convert to fraction form
4,789,386.84/7,180,265.64 = 2,765,334.81/x - Step 3: Cross multiply
4,789,386.84x = 7,180,265.64 × 2,765,334.81 - Step 4: Simplify right side
4,789,386.84x = 19,855,838,519,338.93 - Step 5: Solve for x
x = 19,855,838,519,338.93/4,789,386.84 - Step 6: Final answer
x = 4,145,799.70
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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.