Finding the Fourth Proportional to 2,108,893.68, 3,163,428 and 612,985.68
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Solution
The fourth proportional to 2,108,893.68, 3,163,428 and 612,985.68 is: 919,503.95
Step by Step Solution
- Step 1: Write the proportion equation
2,108,893.68 : 3,163,428 = 612,985.68 : x - Step 2: Convert to fraction form
2,108,893.68/3,163,428 = 612,985.68/x - Step 3: Cross multiply
2,108,893.68x = 3,163,428 × 612,985.68 - Step 4: Simplify right side
2,108,893.68x = 1,939,136,063,711.04 - Step 5: Solve for x
x = 1,939,136,063,711.04/2,108,893.68 - Step 6: Final answer
x = 919,503.95
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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.