Finding the Fourth Proportional to 1,637,739.40, 2,260,149.84 and 912,587.68
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Solution
The fourth proportional to 1,637,739.40, 2,260,149.84 and 912,587.68 is: 1,259,409.71
Step by Step Solution
- Step 1: Write the proportion equation
1,637,739.40 : 2,260,149.84 = 912,587.68 : x - Step 2: Convert to fraction form
1,637,739.40/2,260,149.84 = 912,587.68/x - Step 3: Cross multiply
1,637,739.40x = 2,260,149.84 × 912,587.68 - Step 4: Simplify right side
1,637,739.40x = 2,062,584,898,937.97 - Step 5: Solve for x
x = 2,062,584,898,937.97/1,637,739.40 - Step 6: Final answer
x = 1,259,409.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.