Finding the Fourth Proportional to 2,020,254.24, 2,788,428 and 1,161,312.80
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Solution
The fourth proportional to 2,020,254.24, 2,788,428 and 1,161,312.80 is: 1,602,885.95
Step by Step Solution
- Step 1: Write the proportion equation
2,020,254.24 : 2,788,428 = 1,161,312.80 : x - Step 2: Convert to fraction form
2,020,254.24/2,788,428 = 1,161,312.80/x - Step 3: Cross multiply
2,020,254.24x = 2,788,428 × 1,161,312.80 - Step 4: Simplify right side
2,020,254.24x = 3,238,237,128,278.40 - Step 5: Solve for x
x = 3,238,237,128,278.40/2,020,254.24 - Step 6: Final answer
x = 1,602,885.95
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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.