Finding the Fourth Proportional to 3,547,444.26, 4,895,471.87 and 1,915,851.98
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Solution
The fourth proportional to 3,547,444.26, 4,895,471.87 and 1,915,851.98 is: 2,643,875.07
Step by Step Solution
- Step 1: Write the proportion equation
3,547,444.26 : 4,895,471.87 = 1,915,851.98 : x - Step 2: Convert to fraction form
3,547,444.26/4,895,471.87 = 1,915,851.98/x - Step 3: Cross multiply
3,547,444.26x = 4,895,471.87 × 1,915,851.98 - Step 4: Simplify right side
3,547,444.26x = 9,378,999,441,117.18 - Step 5: Solve for x
x = 9,378,999,441,117.18/3,547,444.26 - Step 6: Final answer
x = 2,643,875.07
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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.