Finding the Fourth Proportional to 1,877,986.08, 2,591,656.08 and 1,152,470.40
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Solution
The fourth proportional to 1,877,986.08, 2,591,656.08 and 1,152,470.40 is: 1,590,430.81
Step by Step Solution
- Step 1: Write the proportion equation
1,877,986.08 : 2,591,656.08 = 1,152,470.40 : x - Step 2: Convert to fraction form
1,877,986.08/2,591,656.08 = 1,152,470.40/x - Step 3: Cross multiply
1,877,986.08x = 2,591,656.08 × 1,152,470.40 - Step 4: Simplify right side
1,877,986.08x = 2,986,806,919,180.03 - Step 5: Solve for x
x = 2,986,806,919,180.03/1,877,986.08 - Step 6: Final answer
x = 1,590,430.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.