Finding the Fourth Proportional to 2,637,412.40, 3,955,729.80 and 744,345.20
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Solution
The fourth proportional to 2,637,412.40, 3,955,729.80 and 744,345.20 is: 1,116,408.07
Step by Step Solution
- Step 1: Write the proportion equation
2,637,412.40 : 3,955,729.80 = 744,345.20 : x - Step 2: Convert to fraction form
2,637,412.40/3,955,729.80 = 744,345.20/x - Step 3: Cross multiply
2,637,412.40x = 3,955,729.80 × 744,345.20 - Step 4: Simplify right side
2,637,412.40x = 2,944,428,489,126.96 - Step 5: Solve for x
x = 2,944,428,489,126.96/2,637,412.40 - Step 6: Final answer
x = 1,116,408.07
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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.