Home / 1,931,331.70-2,897,386.35-668,898.10

Finding the Fourth Proportional to 1,931,331.70, 2,897,386.35 and 668,898.10

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Solution

The fourth proportional to 1,931,331.70, 2,897,386.35 and 668,898.10 is: 1,003,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,331.70 : 2,897,386.35 = 668,898.10 : x
  2. Step 2: Convert to fraction form
    1,931,331.70/2,897,386.35 = 668,898.10/x
  3. Step 3: Cross multiply
    1,931,331.70x = 2,897,386.35 × 668,898.10
  4. Step 4: Simplify right side
    1,931,331.70x = 1,938,056,224,480.94
  5. Step 5: Solve for x
    x = 1,938,056,224,480.94/1,931,331.70
  6. Step 6: Final answer
    x = 1,003,481.81

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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.