Home / 2,943,495.57-4,415,243.40-921,897.70

Finding the Fourth Proportional to 2,943,495.57, 4,415,243.40 and 921,897.70

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Solution

The fourth proportional to 2,943,495.57, 4,415,243.40 and 921,897.70 is: 1,382,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,495.57 : 4,415,243.40 = 921,897.70 : x
  2. Step 2: Convert to fraction form
    2,943,495.57/4,415,243.40 = 921,897.70/x
  3. Step 3: Cross multiply
    2,943,495.57x = 4,415,243.40 × 921,897.70
  4. Step 4: Simplify right side
    2,943,495.57x = 4,070,402,735,400.18
  5. Step 5: Solve for x
    x = 4,070,402,735,400.18/2,943,495.57
  6. Step 6: Final answer
    x = 1,382,846.56

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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.