Home / 1,791,008.70-2,686,513.05-1,685,946.30

Finding the Fourth Proportional to 1,791,008.70, 2,686,513.05 and 1,685,946.30

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Solution

The fourth proportional to 1,791,008.70, 2,686,513.05 and 1,685,946.30 is: 2,528,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,008.70 : 2,686,513.05 = 1,685,946.30 : x
  2. Step 2: Convert to fraction form
    1,791,008.70/2,686,513.05 = 1,685,946.30/x
  3. Step 3: Cross multiply
    1,791,008.70x = 2,686,513.05 × 1,685,946.30
  4. Step 4: Simplify right side
    1,791,008.70x = 4,529,316,736,549.22
  5. Step 5: Solve for x
    x = 4,529,316,736,549.22/1,791,008.70
  6. Step 6: Final answer
    x = 2,528,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.