Finding the Fourth Proportional to 1,869,156.02, 2,579,431.98 and 1,009,713.62
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Solution
The fourth proportional to 1,869,156.02, 2,579,431.98 and 1,009,713.62 is: 1,393,403.00
Step by Step Solution
- Step 1: Write the proportion equation
1,869,156.02 : 2,579,431.98 = 1,009,713.62 : x - Step 2: Convert to fraction form
1,869,156.02/2,579,431.98 = 1,009,713.62/x - Step 3: Cross multiply
1,869,156.02x = 2,579,431.98 × 1,009,713.62 - Step 4: Simplify right side
1,869,156.02x = 2,604,487,602,069.57 - Step 5: Solve for x
x = 2,604,487,602,069.57/1,869,156.02 - Step 6: Final answer
x = 1,393,403.00
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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.