Finding the Fourth Proportional to 2,853,693.66, 3,937,992.75 and 1,564,505.78
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Solution
The fourth proportional to 2,853,693.66, 3,937,992.75 and 1,564,505.78 is: 2,158,960.68
Step by Step Solution
- Step 1: Write the proportion equation
2,853,693.66 : 3,937,992.75 = 1,564,505.78 : x - Step 2: Convert to fraction form
2,853,693.66/3,937,992.75 = 1,564,505.78/x - Step 3: Cross multiply
2,853,693.66x = 3,937,992.75 × 1,564,505.78 - Step 4: Simplify right side
2,853,693.66x = 6,161,012,418,973.10 - Step 5: Solve for x
x = 6,161,012,418,973.10/2,853,693.66 - Step 6: Final answer
x = 2,158,960.68
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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.