Finding the Fourth Proportional to 1,622,921.12, 2,434,603.20 and 676,070.36
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Solution
The fourth proportional to 1,622,921.12, 2,434,603.20 and 676,070.36 is: 1,014,197.82
Step by Step Solution
- Step 1: Write the proportion equation
1,622,921.12 : 2,434,603.20 = 676,070.36 : x - Step 2: Convert to fraction form
1,622,921.12/2,434,603.20 = 676,070.36/x - Step 3: Cross multiply
1,622,921.12x = 2,434,603.20 × 676,070.36 - Step 4: Simplify right side
1,622,921.12x = 1,645,963,061,881.15 - Step 5: Solve for x
x = 1,645,963,061,881.15/1,622,921.12 - Step 6: Final answer
x = 1,014,197.82
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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.