Finding the Fourth Proportional to 5,327,923.84, 7,352,385.59 and 2,913,424
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Solution
The fourth proportional to 5,327,923.84, 7,352,385.59 and 2,913,424 is: 4,020,443.47
Step by Step Solution
- Step 1: Write the proportion equation
5,327,923.84 : 7,352,385.59 = 2,913,424 : x - Step 2: Convert to fraction form
5,327,923.84/7,352,385.59 = 2,913,424/x - Step 3: Cross multiply
5,327,923.84x = 7,352,385.59 × 2,913,424 - Step 4: Simplify right side
5,327,923.84x = 21,420,616,635,160.16 - Step 5: Solve for x
x = 21,420,616,635,160.16/5,327,923.84 - Step 6: Final answer
x = 4,020,443.47
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1.5x scale
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.