Finding the Fourth Proportional to 1,759,352.94, 2,638,854.45 and 812,709.99
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Solution
The fourth proportional to 1,759,352.94, 2,638,854.45 and 812,709.99 is: 1,218,984.16
Step by Step Solution
- Step 1: Write the proportion equation
1,759,352.94 : 2,638,854.45 = 812,709.99 : x - Step 2: Convert to fraction form
1,759,352.94/2,638,854.45 = 812,709.99/x - Step 3: Cross multiply
1,759,352.94x = 2,638,854.45 × 812,709.99 - Step 4: Simplify right side
1,759,352.94x = 2,144,623,373,670.96 - Step 5: Solve for x
x = 2,144,623,373,670.96/1,759,352.94 - Step 6: Final answer
x = 1,218,984.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.