Home / 1,816,642.33-2,506,968.77-989,711.81

Finding the Fourth Proportional to 1,816,642.33, 2,506,968.77 and 989,711.81

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Solution

The fourth proportional to 1,816,642.33, 2,506,968.77 and 989,711.81 is: 1,365,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,642.33 : 2,506,968.77 = 989,711.81 : x
  2. Step 2: Convert to fraction form
    1,816,642.33/2,506,968.77 = 989,711.81/x
  3. Step 3: Cross multiply
    1,816,642.33x = 2,506,968.77 × 989,711.81
  4. Step 4: Simplify right side
    1,816,642.33x = 2,481,176,609,165.00
  5. Step 5: Solve for x
    x = 2,481,176,609,165.00/1,816,642.33
  6. Step 6: Final answer
    x = 1,365,803.58

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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.