Finding the Fourth Proportional to 2,853,631.80, 3,938,010.66 and 1,564,444.44
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Solution
The fourth proportional to 2,853,631.80, 3,938,010.66 and 1,564,444.44 is: 2,158,932.66
Step by Step Solution
- Step 1: Write the proportion equation
2,853,631.80 : 3,938,010.66 = 1,564,444.44 : x - Step 2: Convert to fraction form
2,853,631.80/3,938,010.66 = 1,564,444.44/x - Step 3: Cross multiply
2,853,631.80x = 3,938,010.66 × 1,564,444.44 - Step 4: Simplify right side
2,853,631.80x = 6,160,798,881,697.73 - Step 5: Solve for x
x = 6,160,798,881,697.73/2,853,631.80 - Step 6: Final answer
x = 2,158,932.66
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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.