Finding the Fourth Proportional to 2,165,688.29, 3,247,438.64 and 1,267,399.91
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Solution
The fourth proportional to 2,165,688.29, 3,247,438.64 and 1,267,399.91 is: 1,900,459.76
Step by Step Solution
- Step 1: Write the proportion equation
2,165,688.29 : 3,247,438.64 = 1,267,399.91 : x - Step 2: Convert to fraction form
2,165,688.29/3,247,438.64 = 1,267,399.91/x - Step 3: Cross multiply
2,165,688.29x = 3,247,438.64 × 1,267,399.91 - Step 4: Simplify right side
2,165,688.29x = 4,115,803,441,848.12 - Step 5: Solve for x
x = 4,115,803,441,848.12/2,165,688.29 - Step 6: Final answer
x = 1,900,459.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.