Finding the Fourth Proportional to 4,354,706.72, 6,009,154.80 and 2,420,849.54
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Solution
The fourth proportional to 4,354,706.72, 6,009,154.80 and 2,420,849.54 is: 3,340,583.09
Step by Step Solution
- Step 1: Write the proportion equation
4,354,706.72 : 6,009,154.80 = 2,420,849.54 : x - Step 2: Convert to fraction form
4,354,706.72/6,009,154.80 = 2,420,849.54/x - Step 3: Cross multiply
4,354,706.72x = 6,009,154.80 × 2,420,849.54 - Step 4: Simplify right side
4,354,706.72x = 14,547,259,633,368.79 - Step 5: Solve for x
x = 14,547,259,633,368.79/4,354,706.72 - Step 6: Final answer
x = 3,340,583.09
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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.