Finding the Fourth Proportional to 1,554,962.75, 2,332,444.13 and 433,031.75
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Solution
The fourth proportional to 1,554,962.75, 2,332,444.13 and 433,031.75 is: 649,547.63
Step by Step Solution
- Step 1: Write the proportion equation
1,554,962.75 : 2,332,444.13 = 433,031.75 : x - Step 2: Convert to fraction form
1,554,962.75/2,332,444.13 = 433,031.75/x - Step 3: Cross multiply
1,554,962.75x = 2,332,444.13 × 433,031.75 - Step 4: Simplify right side
1,554,962.75x = 1,010,022,363,391.13 - Step 5: Solve for x
x = 1,010,022,363,391.13/1,554,962.75 - Step 6: Final answer
x = 649,547.63
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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.