Finding the Fourth Proportional to 1,573,132.68, 2,171,089.58 and 961,643.43
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Solution
The fourth proportional to 1,573,132.68, 2,171,089.58 and 961,643.43 is: 1,327,169.70
Step by Step Solution
- Step 1: Write the proportion equation
1,573,132.68 : 2,171,089.58 = 961,643.43 : x - Step 2: Convert to fraction form
1,573,132.68/2,171,089.58 = 961,643.43/x - Step 3: Cross multiply
1,573,132.68x = 2,171,089.58 × 961,643.43 - Step 4: Simplify right side
1,573,132.68x = 2,087,814,025,740.24 - Step 5: Solve for x
x = 2,087,814,025,740.24/1,573,132.68 - Step 6: Final answer
x = 1,327,169.70
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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.