Finding the Fourth Proportional to 1,346,140.70, 2,019,211.05 and 493,210.70
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Solution
The fourth proportional to 1,346,140.70, 2,019,211.05 and 493,210.70 is: 739,816.05
Step by Step Solution
- Step 1: Write the proportion equation
1,346,140.70 : 2,019,211.05 = 493,210.70 : x - Step 2: Convert to fraction form
1,346,140.70/2,019,211.05 = 493,210.70/x - Step 3: Cross multiply
1,346,140.70x = 2,019,211.05 × 493,210.70 - Step 4: Simplify right side
1,346,140.70x = 995,896,495,418.24 - Step 5: Solve for x
x = 995,896,495,418.24/1,346,140.70 - Step 6: Final answer
x = 739,816.05
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1.5x scale
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.