Finding the Fourth Proportional to 2,997,098.79, 4,133,235.78 and 1,964,230.40
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Solution
The fourth proportional to 2,997,098.79, 4,133,235.78 and 1,964,230.40 is: 2,708,828.74
Step by Step Solution
- Step 1: Write the proportion equation
2,997,098.79 : 4,133,235.78 = 1,964,230.40 : x - Step 2: Convert to fraction form
2,997,098.79/4,133,235.78 = 1,964,230.40/x - Step 3: Cross multiply
2,997,098.79x = 4,133,235.78 × 1,964,230.40 - Step 4: Simplify right side
2,997,098.79x = 8,118,627,348,777.53 - Step 5: Solve for x
x = 8,118,627,348,777.53/2,997,098.79 - Step 6: Final answer
x = 2,708,828.74
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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.