Home / 1,551,985.89-2,141,708.81-971,529.17

Finding the Fourth Proportional to 1,551,985.89, 2,141,708.81 and 971,529.17

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Solution

The fourth proportional to 1,551,985.89, 2,141,708.81 and 971,529.17 is: 1,340,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,985.89 : 2,141,708.81 = 971,529.17 : x
  2. Step 2: Convert to fraction form
    1,551,985.89/2,141,708.81 = 971,529.17/x
  3. Step 3: Cross multiply
    1,551,985.89x = 2,141,708.81 × 971,529.17
  4. Step 4: Simplify right side
    1,551,985.89x = 2,080,732,566,994.80
  5. Step 5: Solve for x
    x = 2,080,732,566,994.80/1,551,985.89
  6. Step 6: Final answer
    x = 1,340,690.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.