Finding the Fourth Proportional to 2,125,585.84, 3,188,382.18 and 646,740.58
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Solution
The fourth proportional to 2,125,585.84, 3,188,382.18 and 646,740.58 is: 970,111.91
Step by Step Solution
- Step 1: Write the proportion equation
2,125,585.84 : 3,188,382.18 = 646,740.58 : x - Step 2: Convert to fraction form
2,125,585.84/3,188,382.18 = 646,740.58/x - Step 3: Cross multiply
2,125,585.84x = 3,188,382.18 × 646,740.58 - Step 4: Simplify right side
2,125,585.84x = 2,062,056,140,354.86 - Step 5: Solve for x
x = 2,062,056,140,354.86/2,125,585.84 - Step 6: Final answer
x = 970,111.91
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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.