Finding the Fourth Proportional to 2,172,363.74, 3,258,705.53 and 574,916.06
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Solution
The fourth proportional to 2,172,363.74, 3,258,705.53 and 574,916.06 is: 862,416.42
Step by Step Solution
- Step 1: Write the proportion equation
2,172,363.74 : 3,258,705.53 = 574,916.06 : x - Step 2: Convert to fraction form
2,172,363.74/3,258,705.53 = 574,916.06/x - Step 3: Cross multiply
2,172,363.74x = 3,258,705.53 × 574,916.06 - Step 4: Simplify right side
2,172,363.74x = 1,873,482,153,591.87 - Step 5: Solve for x
x = 1,873,482,153,591.87/2,172,363.74 - Step 6: Final answer
x = 862,416.42
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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.