Finding the Fourth Proportional to 1,560,478.62, 2,340,717.93 and 438,547.62
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Solution
The fourth proportional to 1,560,478.62, 2,340,717.93 and 438,547.62 is: 657,821.43
Step by Step Solution
- Step 1: Write the proportion equation
1,560,478.62 : 2,340,717.93 = 438,547.62 : x - Step 2: Convert to fraction form
1,560,478.62/2,340,717.93 = 438,547.62/x - Step 3: Cross multiply
1,560,478.62x = 2,340,717.93 × 438,547.62 - Step 4: Simplify right side
1,560,478.62x = 1,026,516,271,670.57 - Step 5: Solve for x
x = 1,026,516,271,670.57/1,560,478.62 - Step 6: Final answer
x = 657,821.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.