Finding the Fourth Proportional to 1,445,820.16, 2,165,775.36 and 676,216.48
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Solution
The fourth proportional to 1,445,820.16, 2,165,775.36 and 676,216.48 is: 1,012,942.71
Step by Step Solution
- Step 1: Write the proportion equation
1,445,820.16 : 2,165,775.36 = 676,216.48 : x - Step 2: Convert to fraction form
1,445,820.16/2,165,775.36 = 676,216.48/x - Step 3: Cross multiply
1,445,820.16x = 2,165,775.36 × 676,216.48 - Step 4: Simplify right side
1,445,820.16x = 1,464,532,990,409.93 - Step 5: Solve for x
x = 1,464,532,990,409.93/1,445,820.16 - Step 6: Final answer
x = 1,012,942.71
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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.