Finding the Fourth Proportional to 1,917,398.36, 2,646,065.12 and 1,058,013.96
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Solution
The fourth proportional to 1,917,398.36, 2,646,065.12 and 1,058,013.96 is: 1,460,089.83
Step by Step Solution
- Step 1: Write the proportion equation
1,917,398.36 : 2,646,065.12 = 1,058,013.96 : x - Step 2: Convert to fraction form
1,917,398.36/2,646,065.12 = 1,058,013.96/x - Step 3: Cross multiply
1,917,398.36x = 2,646,065.12 × 1,058,013.96 - Step 4: Simplify right side
1,917,398.36x = 2,799,573,836,029.08 - Step 5: Solve for x
x = 2,799,573,836,029.08/1,917,398.36 - Step 6: Final answer
x = 1,460,089.83
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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.