Finding the Fourth Proportional to 4,818,368.76, 7,217,916.77 and 2,898,220.02
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Solution
The fourth proportional to 4,818,368.76, 7,217,916.77 and 2,898,220.02 is: 4,341,533.81
Step by Step Solution
- Step 1: Write the proportion equation
4,818,368.76 : 7,217,916.77 = 2,898,220.02 : x - Step 2: Convert to fraction form
4,818,368.76/7,217,916.77 = 2,898,220.02/x - Step 3: Cross multiply
4,818,368.76x = 7,217,916.77 × 2,898,220.02 - Step 4: Simplify right side
4,818,368.76x = 20,919,110,871,016.63 - Step 5: Solve for x
x = 20,919,110,871,016.63/4,818,368.76 - Step 6: Final answer
x = 4,341,533.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.