Finding the Fourth Proportional to 6,924,431.78, 10,386,655.79 and 1,806,857.92
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Solution
The fourth proportional to 6,924,431.78, 10,386,655.79 and 1,806,857.92 is: 2,710,289.00
Step by Step Solution
- Step 1: Write the proportion equation
6,924,431.78 : 10,386,655.79 = 1,806,857.92 : x - Step 2: Convert to fraction form
6,924,431.78/10,386,655.79 = 1,806,857.92/x - Step 3: Cross multiply
6,924,431.78x = 10,386,655.79 × 1,806,857.92 - Step 4: Simplify right side
6,924,431.78x = 18,767,211,280,424.39 - Step 5: Solve for x
x = 18,767,211,280,424.39/6,924,431.78 - Step 6: Final answer
x = 2,710,289.00
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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.