Finding the Fourth Proportional to 1,929,832.13, 2,663,169.81 and 1,070,398.55
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Solution
The fourth proportional to 1,929,832.13, 2,663,169.81 and 1,070,398.55 is: 1,477,150.81
Step by Step Solution
- Step 1: Write the proportion equation
1,929,832.13 : 2,663,169.81 = 1,070,398.55 : x - Step 2: Convert to fraction form
1,929,832.13/2,663,169.81 = 1,070,398.55/x - Step 3: Cross multiply
1,929,832.13x = 2,663,169.81 × 1,070,398.55 - Step 4: Simplify right side
1,929,832.13x = 2,850,653,103,027.78 - Step 5: Solve for x
x = 2,850,653,103,027.78/1,929,832.13 - Step 6: Final answer
x = 1,477,150.81
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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.