Finding the Fourth Proportional to 1,897,727.68, 2,618,929.56 and 1,038,287.92
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Solution
The fourth proportional to 1,897,727.68, 2,618,929.56 and 1,038,287.92 is: 1,432,873.09
Step by Step Solution
- Step 1: Write the proportion equation
1,897,727.68 : 2,618,929.56 = 1,038,287.92 : x - Step 2: Convert to fraction form
1,897,727.68/2,618,929.56 = 1,038,287.92/x - Step 3: Cross multiply
1,897,727.68x = 2,618,929.56 × 1,038,287.92 - Step 4: Simplify right side
1,897,727.68x = 2,719,202,925,478.92 - Step 5: Solve for x
x = 2,719,202,925,478.92/1,897,727.68 - Step 6: Final answer
x = 1,432,873.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.