Home / 1,433,893.70-2,152,006.95-1,387,237.70

Finding the Fourth Proportional to 1,433,893.70, 2,152,006.95 and 1,387,237.70

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Solution

The fourth proportional to 1,433,893.70, 2,152,006.95 and 1,387,237.70 is: 2,081,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,893.70 : 2,152,006.95 = 1,387,237.70 : x
  2. Step 2: Convert to fraction form
    1,433,893.70/2,152,006.95 = 1,387,237.70/x
  3. Step 3: Cross multiply
    1,433,893.70x = 2,152,006.95 × 1,387,237.70
  4. Step 4: Simplify right side
    1,433,893.70x = 2,985,345,171,702.02
  5. Step 5: Solve for x
    x = 2,985,345,171,702.02/1,433,893.70
  6. Step 6: Final answer
    x = 2,081,985.00

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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.