Finding the Fourth Proportional to 2,909,120.79, 4,360,687.08 and 1,290,651.84
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Solution
The fourth proportional to 2,909,120.79, 4,360,687.08 and 1,290,651.84 is: 1,934,649.40
Step by Step Solution
- Step 1: Write the proportion equation
2,909,120.79 : 4,360,687.08 = 1,290,651.84 : x - Step 2: Convert to fraction form
2,909,120.79/4,360,687.08 = 1,290,651.84/x - Step 3: Cross multiply
2,909,120.79x = 4,360,687.08 × 1,290,651.84 - Step 4: Simplify right side
2,909,120.79x = 5,628,128,803,466.23 - Step 5: Solve for x
x = 5,628,128,803,466.23/2,909,120.79 - Step 6: Final answer
x = 1,934,649.40
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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.