Finding the Fourth Proportional to 1,655,894.21, 2,285,198.78 and 930,739.68
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Solution
The fourth proportional to 1,655,894.21, 2,285,198.78 and 930,739.68 is: 1,284,457.17
Step by Step Solution
- Step 1: Write the proportion equation
1,655,894.21 : 2,285,198.78 = 930,739.68 : x - Step 2: Convert to fraction form
1,655,894.21/2,285,198.78 = 930,739.68/x - Step 3: Cross multiply
1,655,894.21x = 2,285,198.78 × 930,739.68 - Step 4: Simplify right side
1,655,894.21x = 2,126,925,181,815.30 - Step 5: Solve for x
x = 2,126,925,181,815.30/1,655,894.21 - Step 6: Final answer
x = 1,284,457.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.