Finding the Fourth Proportional to 1,437,621.40, 2,153,807.70 and 875,999.80
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Solution
The fourth proportional to 1,437,621.40, 2,153,807.70 and 875,999.80 is: 1,312,400.55
Step by Step Solution
- Step 1: Write the proportion equation
1,437,621.40 : 2,153,807.70 = 875,999.80 : x - Step 2: Convert to fraction form
1,437,621.40/2,153,807.70 = 875,999.80/x - Step 3: Cross multiply
1,437,621.40x = 2,153,807.70 × 875,999.80 - Step 4: Simplify right side
1,437,621.40x = 1,886,735,114,438.46 - Step 5: Solve for x
x = 1,886,735,114,438.46/1,437,621.40 - Step 6: Final answer
x = 1,312,400.55
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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.