Finding the Fourth Proportional to 1,785,651.84, 2,678,477.76 and 788,181.12
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Solution
The fourth proportional to 1,785,651.84, 2,678,477.76 and 788,181.12 is: 1,182,271.68
Step by Step Solution
- Step 1: Write the proportion equation
1,785,651.84 : 2,678,477.76 = 788,181.12 : x - Step 2: Convert to fraction form
1,785,651.84/2,678,477.76 = 788,181.12/x - Step 3: Cross multiply
1,785,651.84x = 2,678,477.76 × 788,181.12 - Step 4: Simplify right side
1,785,651.84x = 2,111,125,600,771.89 - Step 5: Solve for x
x = 2,111,125,600,771.89/1,785,651.84 - Step 6: Final answer
x = 1,182,271.68
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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.