Finding the Fourth Proportional to 1,615,661.03, 2,423,484.25 and 417,481.49
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Solution
The fourth proportional to 1,615,661.03, 2,423,484.25 and 417,481.49 is: 626,220.35
Step by Step Solution
- Step 1: Write the proportion equation
1,615,661.03 : 2,423,484.25 = 417,481.49 : x - Step 2: Convert to fraction form
1,615,661.03/2,423,484.25 = 417,481.49/x - Step 3: Cross multiply
1,615,661.03x = 2,423,484.25 × 417,481.49 - Step 4: Simplify right side
1,615,661.03x = 1,011,759,815,681.53 - Step 5: Solve for x
x = 1,011,759,815,681.53/1,615,661.03 - Step 6: Final answer
x = 626,220.35
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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.