Finding the Fourth Proportional to 1,657,804.08, 2,486,705.76 and 1,185,412.08
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Solution
The fourth proportional to 1,657,804.08, 2,486,705.76 and 1,185,412.08 is: 1,778,117.86
Step by Step Solution
- Step 1: Write the proportion equation
1,657,804.08 : 2,486,705.76 = 1,185,412.08 : x - Step 2: Convert to fraction form
1,657,804.08/2,486,705.76 = 1,185,412.08/x - Step 3: Cross multiply
1,657,804.08x = 2,486,705.76 × 1,185,412.08 - Step 4: Simplify right side
1,657,804.08x = 2,947,771,047,309.58 - Step 5: Solve for x
x = 2,947,771,047,309.58/1,657,804.08 - Step 6: Final answer
x = 1,778,117.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.