Finding the Fourth Proportional to 1,679,256.79, 2,317,374.99 and 954,105.46
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Solution
The fourth proportional to 1,679,256.79, 2,317,374.99 and 954,105.46 is: 1,316,665.89
Step by Step Solution
- Step 1: Write the proportion equation
1,679,256.79 : 2,317,374.99 = 954,105.46 : x - Step 2: Convert to fraction form
1,679,256.79/2,317,374.99 = 954,105.46/x - Step 3: Cross multiply
1,679,256.79x = 2,317,374.99 × 954,105.46 - Step 4: Simplify right side
1,679,256.79x = 2,211,020,125,033.01 - Step 5: Solve for x
x = 2,211,020,125,033.01/1,679,256.79 - Step 6: Final answer
x = 1,316,665.89
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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.