Finding the Fourth Proportional to 1,539,633.23, 2,124,544.05 and 851,210.81
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Solution
The fourth proportional to 1,539,633.23, 2,124,544.05 and 851,210.81 is: 1,174,588.09
Step by Step Solution
- Step 1: Write the proportion equation
1,539,633.23 : 2,124,544.05 = 851,210.81 : x - Step 2: Convert to fraction form
1,539,633.23/2,124,544.05 = 851,210.81/x - Step 3: Cross multiply
1,539,633.23x = 2,124,544.05 × 851,210.81 - Step 4: Simplify right side
1,539,633.23x = 1,808,434,861,681.18 - Step 5: Solve for x
x = 1,808,434,861,681.18/1,539,633.23 - Step 6: Final answer
x = 1,174,588.09
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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.