Home / 1,721,901.51-2,376,245.95-947,621.50

Finding the Fourth Proportional to 1,721,901.51, 2,376,245.95 and 947,621.50

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Solution

The fourth proportional to 1,721,901.51, 2,376,245.95 and 947,621.50 is: 1,307,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,901.51 : 2,376,245.95 = 947,621.50 : x
  2. Step 2: Convert to fraction form
    1,721,901.51/2,376,245.95 = 947,621.50/x
  3. Step 3: Cross multiply
    1,721,901.51x = 2,376,245.95 × 947,621.50
  4. Step 4: Simplify right side
    1,721,901.51x = 2,251,781,748,528.63
  5. Step 5: Solve for x
    x = 2,251,781,748,528.63/1,721,901.51
  6. Step 6: Final answer
    x = 1,307,729.70

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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.