Finding the Fourth Proportional to 1,553,285.55, 2,327,267.48 and 1,234,420.95
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Solution
The fourth proportional to 1,553,285.55, 2,327,267.48 and 1,234,420.95 is: 1,849,516.80
Step by Step Solution
- Step 1: Write the proportion equation
1,553,285.55 : 2,327,267.48 = 1,234,420.95 : x - Step 2: Convert to fraction form
1,553,285.55/2,327,267.48 = 1,234,420.95/x - Step 3: Cross multiply
1,553,285.55x = 2,327,267.48 × 1,234,420.95 - Step 4: Simplify right side
1,553,285.55x = 2,872,827,727,393.60 - Step 5: Solve for x
x = 2,872,827,727,393.60/1,553,285.55 - Step 6: Final answer
x = 1,849,516.80
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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.