Finding the Fourth Proportional to 2,119,175.83, 3,178,764.35 and 623,267.83
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Solution
The fourth proportional to 2,119,175.83, 3,178,764.35 and 623,267.83 is: 934,901.92
Step by Step Solution
- Step 1: Write the proportion equation
2,119,175.83 : 3,178,764.35 = 623,267.83 : x - Step 2: Convert to fraction form
2,119,175.83/3,178,764.35 = 623,267.83/x - Step 3: Cross multiply
2,119,175.83x = 3,178,764.35 × 623,267.83 - Step 4: Simplify right side
2,119,175.83x = 1,981,221,552,117.12 - Step 5: Solve for x
x = 1,981,221,552,117.12/2,119,175.83 - Step 6: Final answer
x = 934,901.92
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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.