Home / 2,130,457.61-2,938,084.35-1,665,372.93

Finding the Fourth Proportional to 2,130,457.61, 2,938,084.35 and 1,665,372.93

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Solution

The fourth proportional to 2,130,457.61, 2,938,084.35 and 1,665,372.93 is: 2,296,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,457.61 : 2,938,084.35 = 1,665,372.93 : x
  2. Step 2: Convert to fraction form
    2,130,457.61/2,938,084.35 = 1,665,372.93/x
  3. Step 3: Cross multiply
    2,130,457.61x = 2,938,084.35 × 1,665,372.93
  4. Step 4: Simplify right side
    2,130,457.61x = 4,893,006,142,546.65
  5. Step 5: Solve for x
    x = 4,893,006,142,546.65/2,130,457.61
  6. Step 6: Final answer
    x = 2,296,692.56

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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.