Finding the Fourth Proportional to 1,816,368.90, 2,506,785.99 and 1,000,656.17
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Solution
The fourth proportional to 1,816,368.90, 2,506,785.99 and 1,000,656.17 is: 1,381,013.99
Step by Step Solution
- Step 1: Write the proportion equation
1,816,368.90 : 2,506,785.99 = 1,000,656.17 : x - Step 2: Convert to fraction form
1,816,368.90/2,506,785.99 = 1,000,656.17/x - Step 3: Cross multiply
1,816,368.90x = 2,506,785.99 × 1,000,656.17 - Step 4: Simplify right side
1,816,368.90x = 2,508,430,867,763.06 - Step 5: Solve for x
x = 2,508,430,867,763.06/1,816,368.90 - Step 6: Final answer
x = 1,381,013.99
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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.