Finding the Fourth Proportional to 3,518,561.80, 5,277,842.70 and 1,749,089.80
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Solution
The fourth proportional to 3,518,561.80, 5,277,842.70 and 1,749,089.80 is: 2,623,634.70
Step by Step Solution
- Step 1: Write the proportion equation
3,518,561.80 : 5,277,842.70 = 1,749,089.80 : x - Step 2: Convert to fraction form
3,518,561.80/5,277,842.70 = 1,749,089.80/x - Step 3: Cross multiply
3,518,561.80x = 5,277,842.70 × 1,749,089.80 - Step 4: Simplify right side
3,518,561.80x = 9,231,420,832,574.46 - Step 5: Solve for x
x = 9,231,420,832,574.46/3,518,561.80 - Step 6: Final answer
x = 2,623,634.70
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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.