Home / 1,816,685.47-2,506,905.61-1,091,563.75

Finding the Fourth Proportional to 1,816,685.47, 2,506,905.61 and 1,091,563.75

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Solution

The fourth proportional to 1,816,685.47, 2,506,905.61 and 1,091,563.75 is: 1,506,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,685.47 : 2,506,905.61 = 1,091,563.75 : x
  2. Step 2: Convert to fraction form
    1,816,685.47/2,506,905.61 = 1,091,563.75/x
  3. Step 3: Cross multiply
    1,816,685.47x = 2,506,905.61 × 1,091,563.75
  4. Step 4: Simplify right side
    1,816,685.47x = 2,736,447,288,547.64
  5. Step 5: Solve for x
    x = 2,736,447,288,547.64/1,816,685.47
  6. Step 6: Final answer
    x = 1,506,285.67

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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.