Finding the Fourth Proportional to 1,509,881.31, 2,265,320.12 and 612,078.12
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Solution
The fourth proportional to 1,509,881.31, 2,265,320.12 and 612,078.12 is: 918,319.12
Step by Step Solution
- Step 1: Write the proportion equation
1,509,881.31 : 2,265,320.12 = 612,078.12 : x - Step 2: Convert to fraction form
1,509,881.31/2,265,320.12 = 612,078.12/x - Step 3: Cross multiply
1,509,881.31x = 2,265,320.12 × 612,078.12 - Step 4: Simplify right side
1,509,881.31x = 1,386,552,877,187.38 - Step 5: Solve for x
x = 1,386,552,877,187.38/1,509,881.31 - Step 6: Final answer
x = 918,319.12
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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.