Finding the Fourth Proportional to 1,547,854.29, 2,135,967.02 and 859,569.75
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Solution
The fourth proportional to 1,547,854.29, 2,135,967.02 and 859,569.75 is: 1,186,166.33
Step by Step Solution
- Step 1: Write the proportion equation
1,547,854.29 : 2,135,967.02 = 859,569.75 : x - Step 2: Convert to fraction form
1,547,854.29/2,135,967.02 = 859,569.75/x - Step 3: Cross multiply
1,547,854.29x = 2,135,967.02 × 859,569.75 - Step 4: Simplify right side
1,547,854.29x = 1,836,012,637,389.65 - Step 5: Solve for x
x = 1,836,012,637,389.65/1,547,854.29 - Step 6: Final answer
x = 1,186,166.33
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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.