Finding the Fourth Proportional to 1,979,813.08, 2,732,143.98 and 1,074,395.08
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Solution
The fourth proportional to 1,979,813.08, 2,732,143.98 and 1,074,395.08 is: 1,482,666.26
Step by Step Solution
- Step 1: Write the proportion equation
1,979,813.08 : 2,732,143.98 = 1,074,395.08 : x - Step 2: Convert to fraction form
1,979,813.08/2,732,143.98 = 1,074,395.08/x - Step 3: Cross multiply
1,979,813.08x = 2,732,143.98 × 1,074,395.08 - Step 4: Simplify right side
1,979,813.08x = 2,935,402,049,963.62 - Step 5: Solve for x
x = 2,935,402,049,963.62/1,979,813.08 - Step 6: Final answer
x = 1,482,666.26
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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.