Home / 2,130,200.40-3,195,316.80-710,254.20

Finding the Fourth Proportional to 2,130,200.40, 3,195,316.80 and 710,254.20

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Solution

The fourth proportional to 2,130,200.40, 3,195,316.80 and 710,254.20 is: 1,065,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,200.40 : 3,195,316.80 = 710,254.20 : x
  2. Step 2: Convert to fraction form
    2,130,200.40/3,195,316.80 = 710,254.20/x
  3. Step 3: Cross multiply
    2,130,200.40x = 3,195,316.80 × 710,254.20
  4. Step 4: Simplify right side
    2,130,200.40x = 2,269,487,177,530.56
  5. Step 5: Solve for x
    x = 2,269,487,177,530.56/2,130,200.40
  6. Step 6: Final answer
    x = 1,065,386.70

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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.