Finding the Fourth Proportional to 1,517,710.08, 2,094,482.16 and 838,690.32
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Solution
The fourth proportional to 1,517,710.08, 2,094,482.16 and 838,690.32 is: 1,157,415.99
Step by Step Solution
- Step 1: Write the proportion equation
1,517,710.08 : 2,094,482.16 = 838,690.32 : x - Step 2: Convert to fraction form
1,517,710.08/2,094,482.16 = 838,690.32/x - Step 3: Cross multiply
1,517,710.08x = 2,094,482.16 × 838,690.32 - Step 4: Simplify right side
1,517,710.08x = 1,756,621,913,004.69 - Step 5: Solve for x
x = 1,756,621,913,004.69/1,517,710.08 - Step 6: Final answer
x = 1,157,415.99
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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.