Finding the Fourth Proportional to 2,909,119.79, 4,360,685.58 and 1,290,650.84
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Solution
The fourth proportional to 2,909,119.79, 4,360,685.58 and 1,290,650.84 is: 1,934,647.90
Step by Step Solution
- Step 1: Write the proportion equation
2,909,119.79 : 4,360,685.58 = 1,290,650.84 : x - Step 2: Convert to fraction form
2,909,119.79/4,360,685.58 = 1,290,650.84/x - Step 3: Cross multiply
2,909,119.79x = 4,360,685.58 × 1,290,650.84 - Step 4: Simplify right side
2,909,119.79x = 5,628,122,506,802.89 - Step 5: Solve for x
x = 5,628,122,506,802.89/2,909,119.79 - Step 6: Final answer
x = 1,934,647.90
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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.