Finding the Fourth Proportional to 2,035,078.13, 2,808,486.79 and 1,117,345.95
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Solution
The fourth proportional to 2,035,078.13, 2,808,486.79 and 1,117,345.95 is: 1,541,980.77
Step by Step Solution
- Step 1: Write the proportion equation
2,035,078.13 : 2,808,486.79 = 1,117,345.95 : x - Step 2: Convert to fraction form
2,035,078.13/2,808,486.79 = 1,117,345.95/x - Step 3: Cross multiply
2,035,078.13x = 2,808,486.79 × 1,117,345.95 - Step 4: Simplify right side
2,035,078.13x = 3,138,051,343,926.71 - Step 5: Solve for x
x = 3,138,051,343,926.71/2,035,078.13 - Step 6: Final answer
x = 1,541,980.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.