Finding the Fourth Proportional to 1,470,618.74, 2,029,503.06 and 817,272.28
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Solution
The fourth proportional to 1,470,618.74, 2,029,503.06 and 817,272.28 is: 1,127,863.09
Step by Step Solution
- Step 1: Write the proportion equation
1,470,618.74 : 2,029,503.06 = 817,272.28 : x - Step 2: Convert to fraction form
1,470,618.74/2,029,503.06 = 817,272.28/x - Step 3: Cross multiply
1,470,618.74x = 2,029,503.06 × 817,272.28 - Step 4: Simplify right side
1,470,618.74x = 1,658,656,593,113.18 - Step 5: Solve for x
x = 1,658,656,593,113.18/1,470,618.74 - Step 6: Final answer
x = 1,127,863.09
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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.