Finding the Fourth Proportional to 2,832,507.35, 3,908,860.70 and 1,543,347.73
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Solution
The fourth proportional to 2,832,507.35, 3,908,860.70 and 1,543,347.73 is: 2,129,820.17
Step by Step Solution
- Step 1: Write the proportion equation
2,832,507.35 : 3,908,860.70 = 1,543,347.73 : x - Step 2: Convert to fraction form
2,832,507.35/3,908,860.70 = 1,543,347.73/x - Step 3: Cross multiply
2,832,507.35x = 3,908,860.70 × 1,543,347.73 - Step 4: Simplify right side
2,832,507.35x = 6,032,731,294,081.88 - Step 5: Solve for x
x = 6,032,731,294,081.88/2,832,507.35 - Step 6: Final answer
x = 2,129,820.17
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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.