Finding the Fourth Proportional to 2,380,671.30, 3,285,849.12 and 1,564,950.07
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Solution
The fourth proportional to 2,380,671.30, 3,285,849.12 and 1,564,950.07 is: 2,159,974.71
Step by Step Solution
- Step 1: Write the proportion equation
2,380,671.30 : 3,285,849.12 = 1,564,950.07 : x - Step 2: Convert to fraction form
2,380,671.30/3,285,849.12 = 1,564,950.07/x - Step 3: Cross multiply
2,380,671.30x = 3,285,849.12 × 1,564,950.07 - Step 4: Simplify right side
2,380,671.30x = 5,142,189,793,924.19 - Step 5: Solve for x
x = 5,142,189,793,924.19/2,380,671.30 - Step 6: Final answer
x = 2,159,974.71
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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.