Home / 2,938,985.80-4,408,478.70-1,256,259.40

Finding the Fourth Proportional to 2,938,985.80, 4,408,478.70 and 1,256,259.40

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Solution

The fourth proportional to 2,938,985.80, 4,408,478.70 and 1,256,259.40 is: 1,884,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,985.80 : 4,408,478.70 = 1,256,259.40 : x
  2. Step 2: Convert to fraction form
    2,938,985.80/4,408,478.70 = 1,256,259.40/x
  3. Step 3: Cross multiply
    2,938,985.80x = 4,408,478.70 × 1,256,259.40
  4. Step 4: Simplify right side
    2,938,985.80x = 5,538,192,806,574.78
  5. Step 5: Solve for x
    x = 5,538,192,806,574.78/2,938,985.80
  6. Step 6: Final answer
    x = 1,884,389.10

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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.