Finding the Fourth Proportional to 1,509,569.28, 2,083,208.64 and 830,547.84
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Solution
The fourth proportional to 1,509,569.28, 2,083,208.64 and 830,547.84 is: 1,146,157.69
Step by Step Solution
- Step 1: Write the proportion equation
1,509,569.28 : 2,083,208.64 = 830,547.84 : x - Step 2: Convert to fraction form
1,509,569.28/2,083,208.64 = 830,547.84/x - Step 3: Cross multiply
1,509,569.28x = 2,083,208.64 × 830,547.84 - Step 4: Simplify right side
1,509,569.28x = 1,730,204,436,221.34 - Step 5: Solve for x
x = 1,730,204,436,221.34/1,509,569.28 - Step 6: Final answer
x = 1,146,157.69
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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.