Finding the Fourth Proportional to 5,090,280.44, 7,024,407.74 and 2,798,424.28
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Solution
The fourth proportional to 5,090,280.44, 7,024,407.74 and 2,798,424.28 is: 3,861,726.95
Step by Step Solution
- Step 1: Write the proportion equation
5,090,280.44 : 7,024,407.74 = 2,798,424.28 : x - Step 2: Convert to fraction form
5,090,280.44/7,024,407.74 = 2,798,424.28/x - Step 3: Cross multiply
5,090,280.44x = 7,024,407.74 × 2,798,424.28 - Step 4: Simplify right side
5,090,280.44x = 19,657,273,172,235.93 - Step 5: Solve for x
x = 19,657,273,172,235.93/5,090,280.44 - Step 6: Final answer
x = 3,861,726.95
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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.