Finding the Fourth Proportional to 2,709,898.18, 4,064,848.95 and 688,293.70
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Solution
The fourth proportional to 2,709,898.18, 4,064,848.95 and 688,293.70 is: 1,032,440.98
Step by Step Solution
- Step 1: Write the proportion equation
2,709,898.18 : 4,064,848.95 = 688,293.70 : x - Step 2: Convert to fraction form
2,709,898.18/4,064,848.95 = 688,293.70/x - Step 3: Cross multiply
2,709,898.18x = 4,064,848.95 × 688,293.70 - Step 4: Simplify right side
2,709,898.18x = 2,797,809,923,736.61 - Step 5: Solve for x
x = 2,797,809,923,736.61/2,709,898.18 - Step 6: Final answer
x = 1,032,440.98
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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.