Finding the Fourth Proportional to 1,389,735.90, 2,081,104.65 and 913,844.70
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Solution
The fourth proportional to 1,389,735.90, 2,081,104.65 and 913,844.70 is: 1,368,466.09
Step by Step Solution
- Step 1: Write the proportion equation
1,389,735.90 : 2,081,104.65 = 913,844.70 : x - Step 2: Convert to fraction form
1,389,735.90/2,081,104.65 = 913,844.70/x - Step 3: Cross multiply
1,389,735.90x = 2,081,104.65 × 913,844.70 - Step 4: Simplify right side
1,389,735.90x = 1,901,806,454,547.85 - Step 5: Solve for x
x = 1,901,806,454,547.85/1,389,735.90 - Step 6: Final answer
x = 1,368,466.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.