Finding the Fourth Proportional to 1,535,983.95, 2,119,708.77 and 838,302.87
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Solution
The fourth proportional to 1,535,983.95, 2,119,708.77 and 838,302.87 is: 1,156,885.75
Step by Step Solution
- Step 1: Write the proportion equation
1,535,983.95 : 2,119,708.77 = 838,302.87 : x - Step 2: Convert to fraction form
1,535,983.95/2,119,708.77 = 838,302.87/x - Step 3: Cross multiply
1,535,983.95x = 2,119,708.77 × 838,302.87 - Step 4: Simplify right side
1,535,983.95x = 1,776,957,945,455.17 - Step 5: Solve for x
x = 1,776,957,945,455.17/1,535,983.95 - Step 6: Final answer
x = 1,156,885.75
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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.