Finding the Fourth Proportional to 4,154,768, 5,733,595.20 and 2,319,193.40
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Solution
The fourth proportional to 4,154,768, 5,733,595.20 and 2,319,193.40 is: 3,200,495.47
Step by Step Solution
- Step 1: Write the proportion equation
4,154,768 : 5,733,595.20 = 2,319,193.40 : x - Step 2: Convert to fraction form
4,154,768/5,733,595.20 = 2,319,193.40/x - Step 3: Cross multiply
4,154,768x = 5,733,595.20 × 2,319,193.40 - Step 4: Simplify right side
4,154,768x = 13,297,316,146,111.68 - Step 5: Solve for x
x = 13,297,316,146,111.68/4,154,768 - Step 6: Final answer
x = 3,200,495.47
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1.5x scale
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.