Finding the Fourth Proportional to 1,514,341.76, 2,089,793.40 and 869,886.80
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Solution
The fourth proportional to 1,514,341.76, 2,089,793.40 and 869,886.80 is: 1,200,444.80
Step by Step Solution
- Step 1: Write the proportion equation
1,514,341.76 : 2,089,793.40 = 869,886.80 : x - Step 2: Convert to fraction form
1,514,341.76/2,089,793.40 = 869,886.80/x - Step 3: Cross multiply
1,514,341.76x = 2,089,793.40 × 869,886.80 - Step 4: Simplify right side
1,514,341.76x = 1,817,883,693,387.12 - Step 5: Solve for x
x = 1,817,883,693,387.12/1,514,341.76 - Step 6: Final answer
x = 1,200,444.80
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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.