Finding the Fourth Proportional to 1,917,373.35, 2,646,030.58 and 1,057,988.96
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Solution
The fourth proportional to 1,917,373.35, 2,646,030.58 and 1,057,988.96 is: 1,460,055.31
Step by Step Solution
- Step 1: Write the proportion equation
1,917,373.35 : 2,646,030.58 = 1,057,988.96 : x - Step 2: Convert to fraction form
1,917,373.35/2,646,030.58 = 1,057,988.96/x - Step 3: Cross multiply
1,917,373.35x = 2,646,030.58 × 1,057,988.96 - Step 4: Simplify right side
1,917,373.35x = 2,799,471,141,462.40 - Step 5: Solve for x
x = 2,799,471,141,462.40/1,917,373.35 - Step 6: Final answer
x = 1,460,055.31
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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.