Finding the Fourth Proportional to 3,402,678.96, 4,695,905.88 and 1,874,785.68
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Solution
The fourth proportional to 3,402,678.96, 4,695,905.88 and 1,874,785.68 is: 2,587,319.35
Step by Step Solution
- Step 1: Write the proportion equation
3,402,678.96 : 4,695,905.88 = 1,874,785.68 : x - Step 2: Convert to fraction form
3,402,678.96/4,695,905.88 = 1,874,785.68/x - Step 3: Cross multiply
3,402,678.96x = 4,695,905.88 × 1,874,785.68 - Step 4: Simplify right side
3,402,678.96x = 8,803,817,098,451.80 - Step 5: Solve for x
x = 8,803,817,098,451.80/3,402,678.96 - Step 6: Final answer
x = 2,587,319.35
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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.