Finding the Fourth Proportional to 1,609,751.34, 2,412,384.12 and 1,209,925.62
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Solution
The fourth proportional to 1,609,751.34, 2,412,384.12 and 1,209,925.62 is: 1,813,202.62
Step by Step Solution
- Step 1: Write the proportion equation
1,609,751.34 : 2,412,384.12 = 1,209,925.62 : x - Step 2: Convert to fraction form
1,609,751.34/2,412,384.12 = 1,209,925.62/x - Step 3: Cross multiply
1,609,751.34x = 2,412,384.12 × 1,209,925.62 - Step 4: Simplify right side
1,609,751.34x = 2,918,805,352,069.16 - Step 5: Solve for x
x = 2,918,805,352,069.16/1,609,751.34 - Step 6: Final answer
x = 1,813,202.62
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1.5x scale
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.