Finding the Fourth Proportional to 1,807,221.98, 2,493,975.52 and 991,501.05
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Solution
The fourth proportional to 1,807,221.98, 2,493,975.52 and 991,501.05 is: 1,368,276.49
Step by Step Solution
- Step 1: Write the proportion equation
1,807,221.98 : 2,493,975.52 = 991,501.05 : x - Step 2: Convert to fraction form
1,807,221.98/2,493,975.52 = 991,501.05/x - Step 3: Cross multiply
1,807,221.98x = 2,493,975.52 × 991,501.05 - Step 4: Simplify right side
1,807,221.98x = 2,472,779,357,346.08 - Step 5: Solve for x
x = 2,472,779,357,346.08/1,807,221.98 - Step 6: Final answer
x = 1,368,276.49
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1.5x scale
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.