Home / 1,970,161.80-2,956,554.90-904,655.40

Finding the Fourth Proportional to 1,970,161.80, 2,956,554.90 and 904,655.40

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Solution

The fourth proportional to 1,970,161.80, 2,956,554.90 and 904,655.40 is: 1,357,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,161.80 : 2,956,554.90 = 904,655.40 : x
  2. Step 2: Convert to fraction form
    1,970,161.80/2,956,554.90 = 904,655.40/x
  3. Step 3: Cross multiply
    1,970,161.80x = 2,956,554.90 × 904,655.40
  4. Step 4: Simplify right side
    1,970,161.80x = 2,674,663,355,681.46
  5. Step 5: Solve for x
    x = 2,674,663,355,681.46/1,970,161.80
  6. Step 6: Final answer
    x = 1,357,585.63

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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.