Finding the Fourth Proportional to 3,030,398.67, 4,182,824.67 and 1,791,156.99
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Solution
The fourth proportional to 3,030,398.67, 4,182,824.67 and 1,791,156.99 is: 2,472,313.53
Step by Step Solution
- Step 1: Write the proportion equation
3,030,398.67 : 4,182,824.67 = 1,791,156.99 : x - Step 2: Convert to fraction form
3,030,398.67/4,182,824.67 = 1,791,156.99/x - Step 3: Cross multiply
3,030,398.67x = 4,182,824.67 × 1,791,156.99 - Step 4: Simplify right side
3,030,398.67x = 7,492,095,636,659.16 - Step 5: Solve for x
x = 7,492,095,636,659.16/3,030,398.67 - Step 6: Final answer
x = 2,472,313.53
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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.