Finding the Fourth Proportional to 1,685,701.80, 2,528,552.70 and 977,551.20
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Solution
The fourth proportional to 1,685,701.80, 2,528,552.70 and 977,551.20 is: 1,466,326.80
Step by Step Solution
- Step 1: Write the proportion equation
1,685,701.80 : 2,528,552.70 = 977,551.20 : x - Step 2: Convert to fraction form
1,685,701.80/2,528,552.70 = 977,551.20/x - Step 3: Cross multiply
1,685,701.80x = 2,528,552.70 × 977,551.20 - Step 4: Simplify right side
1,685,701.80x = 2,471,789,726,148.24 - Step 5: Solve for x
x = 2,471,789,726,148.24/1,685,701.80 - Step 6: Final answer
x = 1,466,326.80
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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.