Finding the Fourth Proportional to 1,615,657.53, 2,423,479.01 and 417,477.99
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Solution
The fourth proportional to 1,615,657.53, 2,423,479.01 and 417,477.99 is: 626,215.10
Step by Step Solution
- Step 1: Write the proportion equation
1,615,657.53 : 2,423,479.01 = 417,477.99 : x - Step 2: Convert to fraction form
1,615,657.53/2,423,479.01 = 417,477.99/x - Step 3: Cross multiply
1,615,657.53x = 2,423,479.01 × 417,477.99 - Step 4: Simplify right side
1,615,657.53x = 1,011,749,143,814.60 - Step 5: Solve for x
x = 1,011,749,143,814.60/1,615,657.53 - Step 6: Final answer
x = 626,215.10
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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.