Finding the Fourth Proportional to 4,323,775.68, 6,485,930.94 and 1,445,401.50
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Solution
The fourth proportional to 4,323,775.68, 6,485,930.94 and 1,445,401.50 is: 2,168,191.65
Step by Step Solution
- Step 1: Write the proportion equation
4,323,775.68 : 6,485,930.94 = 1,445,401.50 : x - Step 2: Convert to fraction form
4,323,775.68/6,485,930.94 = 1,445,401.50/x - Step 3: Cross multiply
4,323,775.68x = 6,485,930.94 × 1,445,401.50 - Step 4: Simplify right side
4,323,775.68x = 9,374,774,309,572.41 - Step 5: Solve for x
x = 9,374,774,309,572.41/4,323,775.68 - Step 6: Final answer
x = 2,168,191.65
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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.