Finding the Fourth Proportional to 1,625,775.54, 2,243,569.95 and 900,670.38
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Solution
The fourth proportional to 1,625,775.54, 2,243,569.95 and 900,670.38 is: 1,242,924.96
Step by Step Solution
- Step 1: Write the proportion equation
1,625,775.54 : 2,243,569.95 = 900,670.38 : x - Step 2: Convert to fraction form
1,625,775.54/2,243,569.95 = 900,670.38/x - Step 3: Cross multiply
1,625,775.54x = 2,243,569.95 × 900,670.38 - Step 4: Simplify right side
1,625,775.54x = 2,020,716,999,423.08 - Step 5: Solve for x
x = 2,020,716,999,423.08/1,625,775.54 - Step 6: Final answer
x = 1,242,924.96
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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.