Finding the Fourth Proportional to 2,672,703.41, 3,688,356.06 and 1,449,005.76
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Solution
The fourth proportional to 2,672,703.41, 3,688,356.06 and 1,449,005.76 is: 1,999,641.70
Step by Step Solution
- Step 1: Write the proportion equation
2,672,703.41 : 3,688,356.06 = 1,449,005.76 : x - Step 2: Convert to fraction form
2,672,703.41/3,688,356.06 = 1,449,005.76/x - Step 3: Cross multiply
2,672,703.41x = 3,688,356.06 × 1,449,005.76 - Step 4: Simplify right side
2,672,703.41x = 5,344,449,175,870.91 - Step 5: Solve for x
x = 5,344,449,175,870.91/2,672,703.41 - Step 6: Final answer
x = 1,999,641.70
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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.