Finding the Fourth Proportional to 1,369,956.12, 2,046,533.70 and 987,613.84
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Solution
The fourth proportional to 1,369,956.12, 2,046,533.70 and 987,613.84 is: 1,475,364.78
Step by Step Solution
- Step 1: Write the proportion equation
1,369,956.12 : 2,046,533.70 = 987,613.84 : x - Step 2: Convert to fraction form
1,369,956.12/2,046,533.70 = 987,613.84/x - Step 3: Cross multiply
1,369,956.12x = 2,046,533.70 × 987,613.84 - Step 4: Simplify right side
1,369,956.12x = 2,021,185,006,146.41 - Step 5: Solve for x
x = 2,021,185,006,146.41/1,369,956.12 - Step 6: Final answer
x = 1,475,364.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.