Home / 1,869,397.70-2,579,775.87-1,181,375.31

Finding the Fourth Proportional to 1,869,397.70, 2,579,775.87 and 1,181,375.31

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Solution

The fourth proportional to 1,869,397.70, 2,579,775.87 and 1,181,375.31 is: 1,630,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,397.70 : 2,579,775.87 = 1,181,375.31 : x
  2. Step 2: Convert to fraction form
    1,869,397.70/2,579,775.87 = 1,181,375.31/x
  3. Step 3: Cross multiply
    1,869,397.70x = 2,579,775.87 × 1,181,375.31
  4. Step 4: Simplify right side
    1,869,397.70x = 3,047,683,518,151.77
  5. Step 5: Solve for x
    x = 3,047,683,518,151.77/1,869,397.70
  6. Step 6: Final answer
    x = 1,630,302.38

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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.