Finding the Fourth Proportional to 1,675,511.71, 2,312,180.71 and 911,547.79
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Solution
The fourth proportional to 1,675,511.71, 2,312,180.71 and 911,547.79 is: 1,257,922.10
Step by Step Solution
- Step 1: Write the proportion equation
1,675,511.71 : 2,312,180.71 = 911,547.79 : x - Step 2: Convert to fraction form
1,675,511.71/2,312,180.71 = 911,547.79/x - Step 3: Cross multiply
1,675,511.71x = 2,312,180.71 × 911,547.79 - Step 4: Simplify right side
1,675,511.71x = 2,107,663,216,281.13 - Step 5: Solve for x
x = 2,107,663,216,281.13/1,675,511.71 - Step 6: Final answer
x = 1,257,922.10
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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.