Finding the Fourth Proportional to 4,877,923.60, 7,316,885.40 and 1,512,470.80
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Solution
The fourth proportional to 4,877,923.60, 7,316,885.40 and 1,512,470.80 is: 2,268,706.20
Step by Step Solution
- Step 1: Write the proportion equation
4,877,923.60 : 7,316,885.40 = 1,512,470.80 : x - Step 2: Convert to fraction form
4,877,923.60/7,316,885.40 = 1,512,470.80/x - Step 3: Cross multiply
4,877,923.60x = 7,316,885.40 × 1,512,470.80 - Step 4: Simplify right side
4,877,923.60x = 11,066,575,514,446.32 - Step 5: Solve for x
x = 11,066,575,514,446.32/4,877,923.60 - Step 6: Final answer
x = 2,268,706.20
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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.