Finding the Fourth Proportional to 4,862,943.99, 6,710,681.25 and 2,798,278.38
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Solution
The fourth proportional to 4,862,943.99, 6,710,681.25 and 2,798,278.38 is: 3,861,519.75
Step by Step Solution
- Step 1: Write the proportion equation
4,862,943.99 : 6,710,681.25 = 2,798,278.38 : x - Step 2: Convert to fraction form
4,862,943.99/6,710,681.25 = 2,798,278.38/x - Step 3: Cross multiply
4,862,943.99x = 6,710,681.25 × 2,798,278.38 - Step 4: Simplify right side
4,862,943.99x = 18,778,354,256,946.38 - Step 5: Solve for x
x = 18,778,354,256,946.38/4,862,943.99 - Step 6: Final answer
x = 3,861,519.75
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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.