Home / 2,897,814.80-4,350,869.40-1,638,102.80

Finding the Fourth Proportional to 2,897,814.80, 4,350,869.40 and 1,638,102.80

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Solution

The fourth proportional to 2,897,814.80, 4,350,869.40 and 1,638,102.80 is: 2,459,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,814.80 : 4,350,869.40 = 1,638,102.80 : x
  2. Step 2: Convert to fraction form
    2,897,814.80/4,350,869.40 = 1,638,102.80/x
  3. Step 3: Cross multiply
    2,897,814.80x = 4,350,869.40 × 1,638,102.80
  4. Step 4: Simplify right side
    2,897,814.80x = 7,127,171,346,574.32
  5. Step 5: Solve for x
    x = 7,127,171,346,574.32/2,897,814.80
  6. Step 6: Final answer
    x = 2,459,498.57

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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.