Finding the Fourth Proportional to 2,038,772.28, 2,813,577.90 and 1,121,071.08
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Solution
The fourth proportional to 2,038,772.28, 2,813,577.90 and 1,121,071.08 is: 1,547,117.77
Step by Step Solution
- Step 1: Write the proportion equation
2,038,772.28 : 2,813,577.90 = 1,121,071.08 : x - Step 2: Convert to fraction form
2,038,772.28/2,813,577.90 = 1,121,071.08/x - Step 3: Cross multiply
2,038,772.28x = 2,813,577.90 × 1,121,071.08 - Step 4: Simplify right side
2,038,772.28x = 3,154,220,815,017.13 - Step 5: Solve for x
x = 3,154,220,815,017.13/2,038,772.28 - Step 6: Final answer
x = 1,547,117.77
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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.