Finding the Fourth Proportional to 1,627,720.20, 2,442,746.70 and 916,993.80
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Solution
The fourth proportional to 1,627,720.20, 2,442,746.70 and 916,993.80 is: 1,376,147.80
Step by Step Solution
- Step 1: Write the proportion equation
1,627,720.20 : 2,442,746.70 = 916,993.80 : x - Step 2: Convert to fraction form
1,627,720.20/2,442,746.70 = 916,993.80/x - Step 3: Cross multiply
1,627,720.20x = 2,442,746.70 × 916,993.80 - Step 4: Simplify right side
1,627,720.20x = 2,239,983,578,870.46 - Step 5: Solve for x
x = 2,239,983,578,870.46/1,627,720.20 - Step 6: Final answer
x = 1,376,147.80
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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.