Finding the Fourth Proportional to 5,572,042.96, 8,357,981.35 and 1,931,423.00
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Solution
The fourth proportional to 5,572,042.96, 8,357,981.35 and 1,931,423.00 is: 2,897,105.69
Step by Step Solution
- Step 1: Write the proportion equation
5,572,042.96 : 8,357,981.35 = 1,931,423.00 : x - Step 2: Convert to fraction form
5,572,042.96/8,357,981.35 = 1,931,423.00/x - Step 3: Cross multiply
5,572,042.96x = 8,357,981.35 × 1,931,423.00 - Step 4: Simplify right side
5,572,042.96x = 16,142,797,372,679.59 - Step 5: Solve for x
x = 16,142,797,372,679.59/5,572,042.96 - Step 6: Final answer
x = 2,897,105.69
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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.