Finding the Fourth Proportional to 1,509,289.79, 2,083,988.99 and 1,159,876.73
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Solution
The fourth proportional to 1,509,289.79, 2,083,988.99 and 1,159,876.73 is: 1,601,528.32
Step by Step Solution
- Step 1: Write the proportion equation
1,509,289.79 : 2,083,988.99 = 1,159,876.73 : x - Step 2: Convert to fraction form
1,509,289.79/2,083,988.99 = 1,159,876.73/x - Step 3: Cross multiply
1,509,289.79x = 2,083,988.99 × 1,159,876.73 - Step 4: Simplify right side
1,509,289.79x = 2,417,170,334,487.79 - Step 5: Solve for x
x = 2,417,170,334,487.79/1,509,289.79 - Step 6: Final answer
x = 1,601,528.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.