Finding the Fourth Proportional to 1,965,478.77, 2,948,477.56 and 686,109.29
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Solution
The fourth proportional to 1,965,478.77, 2,948,477.56 and 686,109.29 is: 1,029,254.48
Step by Step Solution
- Step 1: Write the proportion equation
1,965,478.77 : 2,948,477.56 = 686,109.29 : x - Step 2: Convert to fraction form
1,965,478.77/2,948,477.56 = 686,109.29/x - Step 3: Cross multiply
1,965,478.77x = 2,948,477.56 × 686,109.29 - Step 4: Simplify right side
1,965,478.77x = 2,022,977,828,814.87 - Step 5: Solve for x
x = 2,022,977,828,814.87/1,965,478.77 - Step 6: Final answer
x = 1,029,254.48
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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.