Finding the Fourth Proportional to 1,528,519.68, 2,107,373.76 and 983,681.28
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Solution
The fourth proportional to 1,528,519.68, 2,107,373.76 and 983,681.28 is: 1,356,203.75
Step by Step Solution
- Step 1: Write the proportion equation
1,528,519.68 : 2,107,373.76 = 983,681.28 : x - Step 2: Convert to fraction form
1,528,519.68/2,107,373.76 = 983,681.28/x - Step 3: Cross multiply
1,528,519.68x = 2,107,373.76 × 983,681.28 - Step 4: Simplify right side
1,528,519.68x = 2,072,984,117,675.21 - Step 5: Solve for x
x = 2,072,984,117,675.21/1,528,519.68 - Step 6: Final answer
x = 1,356,203.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.