Home / 1,938,182.48-2,907,044.76-518,348.60

Finding the Fourth Proportional to 1,938,182.48, 2,907,044.76 and 518,348.60

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Solution

The fourth proportional to 1,938,182.48, 2,907,044.76 and 518,348.60 is: 777,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,182.48 : 2,907,044.76 = 518,348.60 : x
  2. Step 2: Convert to fraction form
    1,938,182.48/2,907,044.76 = 518,348.60/x
  3. Step 3: Cross multiply
    1,938,182.48x = 2,907,044.76 × 518,348.60
  4. Step 4: Simplify right side
    1,938,182.48x = 1,506,862,581,483.34
  5. Step 5: Solve for x
    x = 1,506,862,581,483.34/1,938,182.48
  6. Step 6: Final answer
    x = 777,461.67

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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.