Finding the Fourth Proportional to 2,323,803.18, 3,206,778.98 and 1,291,307.78
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Solution
The fourth proportional to 2,323,803.18, 3,206,778.98 and 1,291,307.78 is: 1,781,966.17
Step by Step Solution
- Step 1: Write the proportion equation
2,323,803.18 : 3,206,778.98 = 1,291,307.78 : x - Step 2: Convert to fraction form
2,323,803.18/3,206,778.98 = 1,291,307.78/x - Step 3: Cross multiply
2,323,803.18x = 3,206,778.98 × 1,291,307.78 - Step 4: Simplify right side
2,323,803.18x = 4,140,938,645,614.46 - Step 5: Solve for x
x = 4,140,938,645,614.46/2,323,803.18 - Step 6: Final answer
x = 1,781,966.17
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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.