Finding the Fourth Proportional to 2,038,967.67, 2,813,954.68 and 1,121,358.53
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Solution
The fourth proportional to 2,038,967.67, 2,813,954.68 and 1,121,358.53 is: 1,547,573.38
Step by Step Solution
- Step 1: Write the proportion equation
2,038,967.67 : 2,813,954.68 = 1,121,358.53 : x - Step 2: Convert to fraction form
2,038,967.67/2,813,954.68 = 1,121,358.53/x - Step 3: Cross multiply
2,038,967.67x = 2,813,954.68 × 1,121,358.53 - Step 4: Simplify right side
2,038,967.67x = 3,155,452,091,888.01 - Step 5: Solve for x
x = 3,155,452,091,888.01/2,038,967.67 - Step 6: Final answer
x = 1,547,573.38
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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.