Finding the Fourth Proportional to 1,539,056.70, 2,308,585.05 and 830,468.70
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Solution
The fourth proportional to 1,539,056.70, 2,308,585.05 and 830,468.70 is: 1,245,703.05
Step by Step Solution
- Step 1: Write the proportion equation
1,539,056.70 : 2,308,585.05 = 830,468.70 : x - Step 2: Convert to fraction form
1,539,056.70/2,308,585.05 = 830,468.70/x - Step 3: Cross multiply
1,539,056.70x = 2,308,585.05 × 830,468.70 - Step 4: Simplify right side
1,539,056.70x = 1,917,207,625,312.93 - Step 5: Solve for x
x = 1,917,207,625,312.93/1,539,056.70 - Step 6: Final answer
x = 1,245,703.05
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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.