Finding the Fourth Proportional to 1,911,587.61, 2,637,970.29 and 1,052,129.28
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Solution
The fourth proportional to 1,911,587.61, 2,637,970.29 and 1,052,129.28 is: 1,451,927.06
Step by Step Solution
- Step 1: Write the proportion equation
1,911,587.61 : 2,637,970.29 = 1,052,129.28 : x - Step 2: Convert to fraction form
1,911,587.61/2,637,970.29 = 1,052,129.28/x - Step 3: Cross multiply
1,911,587.61x = 2,637,970.29 × 1,052,129.28 - Step 4: Simplify right side
1,911,587.61x = 2,775,485,781,879.09 - Step 5: Solve for x
x = 2,775,485,781,879.09/1,911,587.61 - Step 6: Final answer
x = 1,451,927.06
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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.