Home / 1,685,775.60-2,528,663.40-1,490,913.90

Finding the Fourth Proportional to 1,685,775.60, 2,528,663.40 and 1,490,913.90

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Solution

The fourth proportional to 1,685,775.60, 2,528,663.40 and 1,490,913.90 is: 2,236,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,775.60 : 2,528,663.40 = 1,490,913.90 : x
  2. Step 2: Convert to fraction form
    1,685,775.60/2,528,663.40 = 1,490,913.90/x
  3. Step 3: Cross multiply
    1,685,775.60x = 2,528,663.40 × 1,490,913.90
  4. Step 4: Simplify right side
    1,685,775.60x = 3,770,019,411,481.26
  5. Step 5: Solve for x
    x = 3,770,019,411,481.26/1,685,775.60
  6. Step 6: Final answer
    x = 2,236,370.85

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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.