Finding the Fourth Proportional to 2,709,729.18, 4,064,595.66 and 688,124.70
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Solution
The fourth proportional to 2,709,729.18, 4,064,595.66 and 688,124.70 is: 1,032,187.53
Step by Step Solution
- Step 1: Write the proportion equation
2,709,729.18 : 4,064,595.66 = 688,124.70 : x - Step 2: Convert to fraction form
2,709,729.18/4,064,595.66 = 688,124.70/x - Step 3: Cross multiply
2,709,729.18x = 4,064,595.66 × 688,124.70 - Step 4: Simplify right side
2,709,729.18x = 2,796,948,669,158.80 - Step 5: Solve for x
x = 2,796,948,669,158.80/2,709,729.18 - Step 6: Final answer
x = 1,032,187.53
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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.