Finding the Fourth Proportional to 1,824,926.99, 2,518,363.64 and 1,009,159.79
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Solution
The fourth proportional to 1,824,926.99, 2,518,363.64 and 1,009,159.79 is: 1,392,620.82
Step by Step Solution
- Step 1: Write the proportion equation
1,824,926.99 : 2,518,363.64 = 1,009,159.79 : x - Step 2: Convert to fraction form
1,824,926.99/2,518,363.64 = 1,009,159.79/x - Step 3: Cross multiply
1,824,926.99x = 2,518,363.64 × 1,009,159.79 - Step 4: Simplify right side
1,824,926.99x = 2,541,431,312,017.12 - Step 5: Solve for x
x = 2,541,431,312,017.12/1,824,926.99 - Step 6: Final answer
x = 1,392,620.82
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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.