Finding the Fourth Proportional to 2,912,139.30, 4,368,208.95 and 1,851,881.70
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Solution
The fourth proportional to 2,912,139.30, 4,368,208.95 and 1,851,881.70 is: 2,777,822.55
Step by Step Solution
- Step 1: Write the proportion equation
2,912,139.30 : 4,368,208.95 = 1,851,881.70 : x - Step 2: Convert to fraction form
2,912,139.30/4,368,208.95 = 1,851,881.70/x - Step 3: Cross multiply
2,912,139.30x = 4,368,208.95 × 1,851,881.70 - Step 4: Simplify right side
2,912,139.30x = 8,089,406,216,281.22 - Step 5: Solve for x
x = 8,089,406,216,281.22/2,912,139.30 - Step 6: Final answer
x = 2,777,822.55
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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.