Finding the Fourth Proportional to 4,827,022.17, 7,240,438.26 and 1,948,312.53
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Solution
The fourth proportional to 4,827,022.17, 7,240,438.26 and 1,948,312.53 is: 2,922,430.45
Step by Step Solution
- Step 1: Write the proportion equation
4,827,022.17 : 7,240,438.26 = 1,948,312.53 : x - Step 2: Convert to fraction form
4,827,022.17/7,240,438.26 = 1,948,312.53/x - Step 3: Cross multiply
4,827,022.17x = 7,240,438.26 × 1,948,312.53 - Step 4: Simplify right side
4,827,022.17x = 14,106,636,584,649.40 - Step 5: Solve for x
x = 14,106,636,584,649.40/4,827,022.17 - Step 6: Final answer
x = 2,922,430.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.