Finding the Fourth Proportional to 1,864,631.77, 2,570,990.79 and 1,276,214.96
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Solution
The fourth proportional to 1,864,631.77, 2,570,990.79 and 1,276,214.96 is: 1,759,670.17
Step by Step Solution
- Step 1: Write the proportion equation
1,864,631.77 : 2,570,990.79 = 1,276,214.96 : x - Step 2: Convert to fraction form
1,864,631.77/2,570,990.79 = 1,276,214.96/x - Step 3: Cross multiply
1,864,631.77x = 2,570,990.79 × 1,276,214.96 - Step 4: Simplify right side
1,864,631.77x = 3,281,136,908,220.22 - Step 5: Solve for x
x = 3,281,136,908,220.22/1,864,631.77 - Step 6: Final answer
x = 1,759,670.17
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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.