Finding the Fourth Proportional to 1,573,057.60, 2,171,117.96 and 984,630.08
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Solution
The fourth proportional to 1,573,057.60, 2,171,117.96 and 984,630.08 is: 1,358,976.33
Step by Step Solution
- Step 1: Write the proportion equation
1,573,057.60 : 2,171,117.96 = 984,630.08 : x - Step 2: Convert to fraction form
1,573,057.60/2,171,117.96 = 984,630.08/x - Step 3: Cross multiply
1,573,057.60x = 2,171,117.96 × 984,630.08 - Step 4: Simplify right side
1,573,057.60x = 2,137,748,050,644.24 - Step 5: Solve for x
x = 2,137,748,050,644.24/1,573,057.60 - Step 6: Final answer
x = 1,358,976.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.