Finding the Fourth Proportional to 1,731,330.40, 2,596,995.60 and 549,378.40
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Solution
The fourth proportional to 1,731,330.40, 2,596,995.60 and 549,378.40 is: 824,067.60
Step by Step Solution
- Step 1: Write the proportion equation
1,731,330.40 : 2,596,995.60 = 549,378.40 : x - Step 2: Convert to fraction form
1,731,330.40/2,596,995.60 = 549,378.40/x - Step 3: Cross multiply
1,731,330.40x = 2,596,995.60 × 549,378.40 - Step 4: Simplify right side
1,731,330.40x = 1,426,733,287,535.04 - Step 5: Solve for x
x = 1,426,733,287,535.04/1,731,330.40 - Step 6: Final answer
x = 824,067.60
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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.