Finding the Fourth Proportional to 2,438,522.79, 3,642,952.73 and 1,578,588.91
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Solution
The fourth proportional to 2,438,522.79, 3,642,952.73 and 1,578,588.91 is: 2,358,282.15
Step by Step Solution
- Step 1: Write the proportion equation
2,438,522.79 : 3,642,952.73 = 1,578,588.91 : x - Step 2: Convert to fraction form
2,438,522.79/3,642,952.73 = 1,578,588.91/x - Step 3: Cross multiply
2,438,522.79x = 3,642,952.73 × 1,578,588.91 - Step 4: Simplify right side
2,438,522.79x = 5,750,724,779,232.22 - Step 5: Solve for x
x = 5,750,724,779,232.22/2,438,522.79 - Step 6: Final answer
x = 2,358,282.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.