Finding the Fourth Proportional to 1,917,802.68, 2,646,565.02 and 1,058,362.80
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Solution
The fourth proportional to 1,917,802.68, 2,646,565.02 and 1,058,362.80 is: 1,460,539.19
Step by Step Solution
- Step 1: Write the proportion equation
1,917,802.68 : 2,646,565.02 = 1,058,362.80 : x - Step 2: Convert to fraction form
1,917,802.68/2,646,565.02 = 1,058,362.80/x - Step 3: Cross multiply
1,917,802.68x = 2,646,565.02 × 1,058,362.80 - Step 4: Simplify right side
1,917,802.68x = 2,801,025,964,949.26 - Step 5: Solve for x
x = 2,801,025,964,949.26/1,917,802.68 - Step 6: Final answer
x = 1,460,539.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.